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Mechanical Design Engineer · Sri Lanka → Worldwide

I design machinesand products thatactually get built.

From concept sketches to CNC-ready drawings — I help companies in the US and EU turn ideas into manufacturable machines, products and fixtures. SolidWorks, DFM and 10+ years of getting it right the first time.

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Ishara Deshapriya, mechanical design engineer
Selected work

Machines, products & fixtures shipped worldwide

Industrial conveyor system — renders, drawings and exploded BOMIndustrial machinery

Industrial conveyor system

Modular belt-and-roller conveyor line with 90° curve — full SolidWorks assembly, exploded view with 29-item BOM, 2D drawings and photorealistic renders.

SolidWorksRenderingBOM + Drawings
Rack-and-pinion clamp mechanism — exploded assembly AP009Product design

Rack-and-pinion clamp mechanism

Compact adjustable clamping device — rack-and-pinion drive, spring return and heat-set inserts, documented with a full exploded view and 21-item BOM (AP009).

Product design3D printingExploded BOM
Heavy-duty rolling cart — fabrication drawing AP011Material handling

Heavy-duty rolling rack cart

Mobile material-handling cart with twin pin racks and casters — welded frame design delivered as a complete shop drawing set (AP011).

WeldmentsMaterial handling
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Avg. client rating
Ishara turned our rough sketches into a complete drawing package our shop could build from without a single RFI. Rare.
Operations manager · Fabrication company, USA
He thinks like a manufacturer, not just a modeler. Caught two costly tooling issues before we ever cut steel.
Founder · Hardware startup, Germany
Fast, precise, and communicates better than engineers sitting in our own office. Third project and counting.
Engineering lead · Automation firm, Netherlands
FAQ

Questions clients ask before we start

Primarily SolidWorks — parts, assemblies, weldments, sheet metal and full drawing packages. I deliver native files plus STEP, DXF or PDF depending on what your shop or team needs.

A short call or brief is enough. I'll come back with a scoped proposal — deliverables, timeline and a fixed price — usually within 24 hours. Most projects run through Upwork or direct contract.

Yes — every quote includes revision rounds, and design-for-manufacture feedback from your fabricator is folded in at no extra cost. The goal is a part that gets made, not just a pretty model.

I overlap daily with both US and EU business hours and typically respond within a few hours. Ten years of remote client work means async communication is second nature.

Have a machine or product
waiting to exist?

Tell me what you're building. I'll tell you exactly how we get it from idea to fabrication-ready — with a fixed quote and a clear timeline.

ishara@aptocad.com