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I want to bring the versatility of an IGT (Iron Grill Table) into a fresh, original camping table concept and need a complete product design I can hand straight to a fabricator. Think Snow Peak-style modularity: interchangeable panels, cook-top or sink inserts, legs that pack down small yet feel rock solid once assembled. I have not fixed the material, surface finish or extra features, so feel free to explore aluminium, stainless, hardwood, or a smart mix of them, and show me how weight, strength and packability balance out. Here is what I need from you: • 3-D CAD model and fully dimensioned drawings (STEP or SolidWorks native plus DXF for laser/water-jet parts). • Exploded view with a clear bill of materials so I can cost each component. • Quick renders that illustrat...

I’m taking a smart, retractable dog leash from concept to manufacturable product and need a seasoned mechanical CAD specialist to own the design phase. The core requirement is a rock-solid, long-life retraction mechanism built around composite components so the leash stays light in the hand yet stands up to daily yanks and weather. Beyond that primary function, the finished model must also support: • Adjustable length control with a positive-locking thumb switch • An ergonomic, ambidextrous handle that distributes pull evenly • A flush-fitting waste-bag holder sized for standard rolls * Powerbank You’ll start from my sketches and usage notes, translate them into a fully detailed 3D assembly, run basic motion/strength checks, and hand back: – Nati...

I want to bring the versatility of an IGT (Iron Grill Table) into a fresh, original camping table concept and need a complete product design I can hand straight to a fabricator. Think Snow Peak-style modularity: interchangeable panels, cook-top or sink inserts, legs that pack down small yet feel rock solid once assembled. I have not fixed the material, surface finish or extra features, so feel free to explore aluminium, stainless, hardwood, or a smart mix of them, and show me how weight, strength and packability balance out. Here is what I need from you: • 3-D CAD model and fully dimensioned drawings (STEP or SolidWorks native plus DXF for laser/water-jet parts). • Exploded view with a clear bill of materials so I can cost each component. • Quick renders that illustrat...

I am looking for an experienced Structural/Mechanical Engineer to design a robust, high-performance solar pergola to be installed on a flat roof in Tripoli, Greece. This is a high-wind and snow-load area (altitude 650m), so structural integrity is the top priority. The Concept: A Triple-Tilt BIPV (Building Integrated Photovoltaic) structure designed to maximize winter yield and provide a shaded outdoor space. The structure will support 24 Huasun Himalaya HJT Bifacial Panels (approx. 450W-460W each). Key Specifications: Total Dimensions: 6.00m (Width) x 6.50m (Depth/Length). (about) Panel Dimensions: 1722mm x 1134mm x 30mm (~22kg each). Structure Material: Steel (IPE longitudinal rafters, RHS columns), hot-dip galvanized. Geometries (Triple-Tilt): Main Body: 15 Panels (3 rows of 5) at...

Freelance Mechanical Inspector Required – Dammam (16 March 2026) We are looking for a freelance Mechanical Inspector available in Dammam, Saudi Arabia for an inspection scheduled on 16.03.2026. (01 Man-Day) The assignment involves inspection of pile assemblies / structural components at the vendor facility. Local availability is preferred. Interested inspectors may share their CV and contact details for immediate coordination

Project Description I am developing a compact handheld mechanical device that transitions between two physical size configurations. The device must: • Collapse into a short, compact configuration • Extend into a longer ergonomic handheld configuration • Use a deliberate twist action to lock in both positions • Remain durable and mechanically stable in both states • Be compact, lightweight, and suitable for field use The mechanism should not rely on springs or automatic deployment. The transition between positions should be manual and intentional. The device will ultimately attach to a wearable platform, but the focus of this stage is the device body and locking mechanism, not the wearable system. Materials under consideration include: • aluminum • ...

I'm seeking a skilled engineer to design a low clearance vacuum truck tank, specifically for liquid waste collection. The design must comply with local regulatory standards. Key Requirements: - Concept development for the vacuum truck tank. - Detailed shop drawings for manufacturing. - Adherence to local regulatory standards. Ideal Skills and Experience: - Experience in designing specialized vehicles. - Knowledge of waste collection industry requirements. - Proficiency in creating detailed engineering drawings. - Familiarity with local regulatory standards for waste collection vehicles. If you have a background in vehicle design and a strong understanding of waste management systems, I would love to hear from you.

I’d like you to carry out a complete structural study for a single reinforced beam and show, in one concise package, how it performs under the specified service loads. The goal is to know two things with confidence: • the beam’s ultimate load-carrying capacity • the maximum deflection at mid-span and how it compares with code-permitted limits I will supply span length, cross-section geometry, load combinations and any code I must comply with once we start. If an FEA package such as SAP2000, ANSYS, STAAD, or Robot will speed things up, feel free to use it—just attach the native model alongside clear hand or spreadsheet calculations so I can verify the results independently. Whether the beam ends up being steel, concrete or a composite section depends on t...

I'm looking for a skilled metalworking tool design expert to create a metal circular saw specifically for cutting aluminum. This tool will be used for personal projects. Requirements: - Ability to design a robust and efficient metal circular saw - Experience with tools specifically for cutting aluminum - Knowledge of safety features and ergonomic design - High-quality materials and durability are a must Ideal Skills and Experience: - Background in mechanical engineering or industrial design - Proven experience in designing cutting tools - Strong attention to detail and safety standards Please include a detailed project proposal in your application. Metal Circular Saw Cutting Process: Cold cutting process. Semi-finished products: Square material up to 40x40mm. Workpiece clam...

I need a qualified structural engineer to assess diagonal cracks on the walls of two properties we are detailing with following RICS level 2 surveys The survey should include: - Detailed inspection of all affected areas. - Identification of potential causes. - Recommendations for repair or mitigation. - A comprehensive report documenting findings. Ideal skills and experience: - Licensed structural engineer. - Experience with residential properties. - Strong analytical and report-writing skills.

I need a qualified structural engineer to assess diagonal cracks on the walls of two properties we are detailing with following RICS level 2 surveys The survey should include: - Detailed inspection of all affected areas. - Identification of potential causes. - Recommendations for repair or mitigation. - A comprehensive report documenting findings. Ideal skills and experience: - Licensed structural engineer. - Experience with residential properties. - Strong analytical and report-writing skills.

Job Description: Create accurate 3D CAD models of iron/steel cab structures using Rhino Produce manufacturing-ready drawings Apply proper tolerances, material specs, and fabrication methods Collaborate with engineering/fabrication teams to refine designs Requirements: Proven experience with Rhino or SolidWorks (or equivalent CAD tools) Strong background in metal/iron fabrication and structural design Ability to work from sketches, 2D drawings, or concept designs Attention to detail and adherence to manufacturing standards

All of the drawings, details, and structural calculations for my prefab accessory dwelling unit are ready to go—I simply need a California-licensed civil engineer to review them and add a professional stamp and signature. The project is a residential ADU that will be rented out, so the city’s submittal package must be airtight. Scope I will email you the full PDF set (plans, calcs, and any supporting documents). After your review, I’m looking for your digital stamp and signature on the sheets that require it, along with a short review letter confirming code compliance. Deliverables • Digitally stamped and signed plan set in PDF • One-page review/approval letter (PDF) • Any minor redline comments, if needed, returned in the same file Acceptance Cr...

As makers of bespoke sofas, I would like a set of clear, production-ready technical drawings for our custom-built sofas. The idea being is to create a document that both our clients and our upholstery team can read at a glance. Scope Ideally, each sofa model needs three orthographic views—top, side and front either on the same or on a single sheet. Every view must be dimensioned precisely so a carpenter can cut frames without guessing, yet still look clean enough to share with clients during approvals. Content to show • Accurate overall measurements and critical internal dimensions (seat height, arm thickness, back angle, etc.). Step-by-step assembly notes or fabric information is not required at this stage; the focus is on dimensions and clarity. Format A vector-based tec...

I need a Professional Engineer licensed in the United States to prepare, sign, and seal structural plans for two new concrete walls that will tie into two existing walls in a residential property. These additions are meant to extend our current living space, so the drawings must clearly show how the new concrete walls integrate with the present structure, carry loads, and satisfy the latest IRC/IBC requirements as well as any locally adopted amendments. You will receive field measurements, photos, and the original house plans (PDF/CAD). From this information, I expect a complete plan set suitable for immediate building-department submission, including structural notes, connection details, reinforcement schedules, and any calculation pages the reviewer might request. Deliverables: • ...

Remote Works Design Engineer Work Type Remote (Part-time or Full-time Contract) Project Locations Jordan & Iraq (remote design support) Role Summary We are looking for a Temporary Works Design Engineer who can work remotely and support engineering design for projects in Jordan and Iraq. The engineer will provide design calculations, drawings, and technical support for construction temporary works. Required Design Experience The engineer must have proven experience designing: Pile working platforms for piling rigs and heavy equipment Cofferdam systems (sheet piles, bracing, excavation support) Concrete formwork systems Thrust blocks for pipelines Responsibilities Prepare engineering calculations and design reports Produce AutoCAD drawings and technical sketches Review me...

I am finalising the structural scheme for a new industrial warehouse and need a fully-engineered steel truss solution that can reliably carry medium roof and service loads. Your package should include member sizing, connection details, and clear span optimisation so fabrication and erection can proceed without re-work. Please deliver: • Structural calculations that justify every section and connection • Editable CAD drawings (DWG) plus print-ready PDFs showing plan, elevation, sections, and details • A concise material take-off for procurement • A short design note summarising assumptions, load cases, and the code you followed I will review the calculations for consistency, check drawings against the architectural grid, and confirm that deflection and strengt...

I need a temporary works designer for underpinning, specifically design calculations. The method of underpinning will be mass concrete underpinning. Ideal Skills and Experience: - Expertise in temporary works design - Strong background in structural engineering - Experience with mass concrete underpinning methods - Proficient in design calculations for underpinning systems - Relevant certifications in inspection and safety Please provide a portfolio showcasing similar projects and relevant qualifications.

I'm seeking an experienced structural engineer to perform critical calculations for a low-rise hotel. The primary construction material will be steel. We are looking to increase height of lobby entrance as well as add a rooftop bar on the roof deck. Key requirements include: - Load-bearing calculations - Wind and seismic analysis - Foundation design Ideal candidates should have: - Proven expertise in steel structures - Experience with low-rise buildings - Strong knowledge of relevant codes and regulations - Ability to deliver precise and reliable calculations Please provide examples of similar work and relevant qualifications.

Potrzebuję regularnego wsparcia przy opracowywaniu rysunków produkcyjnych ramek z profili aluminiowych oraz towarzyszących części wycinanych laserowo z blach. Bazą jest dokumentacja otrzymywana od naszego klienta – Twoim zadaniem będzie przełożenie jej na jasne, kompletne pliki warsztatowe. Dostarczymy modele oraz modele ramek w Inventor lub SolidWorks z podstawowymi modyfikacjami. Praca polega na dostosowaniu ramek do zamówienia klienta oraz wykonaniu projektów części specjalnych - głównie blacha cięta i gięta. Wymagany format dla ramek pdf a na części metalowe DXF. Podsumowanie części ilości i typów przesyłane w Excel. W każdym rysunku powinny znaleźć się: • pełne wymiary, • oznaczenia elementów na gotowej ramce, Obieg pracy wy...

I'm seeking a Freelance structural engineer with a PI of £2million or over to develop detailed structural design for a residential building. I already have architectural plans ready for your reference, a good idea of the strucutral design we need. Key Requirements: - Expertise in structural design for residential buildings - Proficiency in interpreting and working with existing architectural plans - Knowledge of UK building regulations and standards - Strong analytical skills and attention to detail Ideal Skills & Experience: - Professional engineering degree and relevant certifications - Proven experience in residential structural design - Excellent communication skills for collaboration - Portfolio showcasing similar completed projects Submit your bids wi...

I am ready to move my mechanical wheel-end assembly from a rough concept to a fully filed U.S. and PCT application. To do that, I need the three cornerstone pieces of the submission produced to professional, examiner-ready quality: • Patent Claims – drafted to capture the inventive features and provide layered fallback positions. • Patent Description – a clear, enabling specification that aligns perfectly with the claims. • Patent Drawings – line-art illustrations prepared in strict accord with USPTO 37 CFR 1.84 so every figure number, margin, and line weight meets formal requirements. The concept is already sketched out, so you will start with my notes, preliminary sketches, and functional objectives, then refine them into a cohesive set of documents...

I have built several tractor-mounted boom extensions and now I want solid, engineer-backed numbers on exactly how much weight each point along the boom can safely handle. The boom is welded from a 3/8" side-steer plate and a 2-1/2" × 2-1/2" × 3/16" square tube. From the plate it runs straight for 10 ft, then kicks up at a 30° angle and continues another 2 ft, giving a total length of 11 ft 10 in. Its primary job is lifting pole-barn trusses, so the working load will sit in the 500–1,000 lb range. I don’t have to satisfy OSHA, ISO, or any other formal standard, but I do want a clear, defensible safety factor. What I need from you is a straightforward structural analysis—hand calculations, FEA, or a mix—that tells me: • Ma...

I have a complete architectural layout and now need a full set of structural TMT rebar drawings so my site crew can move straight into steel-fixing. The scope covers three reinforced-concrete elements—the swimming pool, the underground water tank and the basement wall—with every bar, lap, hook and splice called out clearly. Your job is to translate the layout into construction-ready reinforcement plans, sections and schedules that follow our local building codes. All drawings must be delivered as clean, well-layered PDFs that scale accurately when printed on A1/A3. Deliverables • Plan, section and elevation sheets for the pool, tank and basement wall • Bar bending schedules with diameters, lengths and quantities tagged to gridlines • General notes sheet s...

I have a steel storage box fitted with two lightweight, self-closing doors—one on the front and one on the top. The current hinges sit on the outside of the cabinet, and they spoil the overall look. I want to keep the same self-closing performance but move the hinge mechanism inside the enclosure and do it in a cost-effective way. Here is what I need from you: • Study the existing setup and door geometry. • Propose at least one practical internal hinge concept that can handle doors of up to 5 kg without sacrificing the automatic return action. • Provide basic CAD drawings or sketches with dimensions, material callouts, and mounting details so my fabricator can implement the change. • List any off-the-shelf components required (torsion springs, concealed h...

I'm looking for a comprehensive HVO (Hydrotreated Vegetable Oil) process design from start to finish. The project should include: - Full plant design - Costing estimates Design should encompass: - Architectural design - Mechanical systems - Machinery specifications - Full process specifications Ideal candidates should have experience in chemical process design, plant layout, and a strong understanding of HVO production. Please provide examples of similar projects you've completed.

I’m designing a new Hindu temple and want the sanctum bathed in gentle, natural sunlight every day. The idea is to install a compact, telescope-like optical assembly on the roof that captures the sun’s rays and then diffuses them evenly across the deity, avoiding harsh focal spots or glare. Here’s what I need from you: an end-to-end optical solution—concept, ray-trace, mechanical layout, and a concise installation guide—completed within a month. . If you prefer Zemax, Code V, LightTools or an equivalent package, please work in the environment you’re most comfortable with; just be sure I receive the native files plus exported PDFs. When you respond, include examples of past work that prove you’ve tackled similar illumination or solar-collectio...

Brief: Request for Consultant Services to Prepare Building Control Drawings and Specifications We are seeking a qualified consultant to prepare Building Control drawings and specifications to demonstrate compliance with current planning regulations for building extension under permitted development in England. Scope of services: • Review proposed extension design and site context. • Confirm applicability of permitted development rights (PD) and any planning conditions or Article 4 directions that may affect consent requirements. • Identify relevant Building Regulations (England) and standards that apply to the project • Produce clear, buildable Building Control drawings (plans, elevations, sections, and typical details) for the extension. • Prepare accompany...

I’m completing a new build in Hawthorn Woods, IL with a small grade change (5 to 6 foot) that calls for a Rochester Classic 6" segmental retaining wall. The village will not release the permit until the wall plans carry a current Illinois-licensed structural engineer’s stamp. Here is what you’ll receive from me: • Full architectural set for the house • Current plot of survey with proposed grading • A to-scale landscaper drawing showing the wall location, drainage stone, perforated pipe, and geogrid setbacks I still need you to: 1. Review and verify the landscaper’s drawing for accuracy against the survey and grade. 2. Recommend any tweaks that will improve stability or meet code before stamping. 3. Provide signed and sealed calculations and dra...

I’m adding a new 8-ft rear deck to my home in Weston, FL and need a Florida-licensed Professional Engineer to take my initial draft drawings (supplied as PDFs) through to permit-ready status. What I’m looking for is straightforward: review the structural layout, make any adjustments required for full Florida Building Code compliance, and provide a signed and sealed PE stamp on the final drawings so I can submit them to the City of Weston for permitting. Deliverables • Reviewed structural deck plans, updated as necessary • Digital PE-stamped drawings in PDF (and CAD if you edit directly) • Brief calculation or compliance memo if the permitting office requests it Everything is still at the early-draft stage, so I welcome practical suggestion...

Summary We are developing a perfusion lid system for a proprietary vertical-membrane co-culture plate used for advanced cell culture. The lid will enable controlled flow (shear) along the membrane and will scale to the full plate with 12 independent recirculating loops (one loop per column). Each column contains 8 wells (total 96 wells). We prefer 12 independent loops so each column can run different flow rates and/or media conditions. We are looking for a contractor who can support development (concept → CAD → prototype strategy → DFM), not just drafting. We want flow constrained into a defined gap near the membrane to generate predictable laminar shear Target design gap: ~0.3–0.5 mm (must be toleranced and verifiable) Typical target per-well flow range: ~30–20...