Engineering and Technical Models

This section contains mechanical designs, prototype studies, CFD setups, and various technical models. Many of these works originate from academic projects, independent engineering experiments, or tool design for practical field work.

The focus is on real mechanical behavior, manufacturable geometry, and analysis-ready surfaces. Some items here were created to validate physical assumptions through simulation, such as flow behavior, mechanical interaction, or structural feasibility. Others are utility tools and engineering constructions that were later turned into shareable 3D models.

Over time, this repository has accumulated experimental turbine designs, precision layout tools, structural components, and general-purpose mechanical assemblies. Several models include real measurement standards and can be exported for 3D printing or further modification.

Highlights

Rafter Speed Square — A CAD design-based layout tool for construction and carpentry, reverse-engineered for accurate 3D printing.
Engineering Prototype Archive — A collection of engineering experiments and rejected research models accumulated over several years.

Browse All Engineering Projects

NACA 2R1 Airfoil Reconstruction Project — Me 109 Wing Geometry (Research Archive)

Product Technical Description

This repository documents my complete reconstruction of the NACA 2R1-derived airfoil family used on the Messerschmitt Bf 109 wing. No ready-made datasets existed. No clean coordinate files. No standard NACA profiles. Only scattered photocopies, blurry museum scans, and partial references. So for one month, I rebuilt everything from zero — point by point — using a mix of mathematics, digitization, and mechanical engineering workflow. The result is a clean, professional-grade dataset of all major airfoil sections:

14.2% Root
12.8% Mid (Bf 109 E / Emil)
12.9% Mid (Bf 109 G / Gustav)
11.35% Tip (Late)
11.0% Tip (Early)

Each section now exists as:

Plotted Excel sheets
Clean XY coordinate lists
CSV geometry (upper/lower)
CAD models (DWG / STEP / STL)
Reference diagrams & documentation

Speed Square Rafter Square for 3D Printing CAD Files — STL and 3MF ready

In 1925, Albert J. Swanson invented the Speed Square — part rafter square, part protractor, part marking guide. It became the carpenter’s pocket tool in the US. But here’s the catch: it was born in the Imperial system. Great if you’re framing in inches. Not so great if you’re working in metric.

Product Technical Description

So I designed my own in 2025: • All-metric rafter square • Rise/run markings for common rafters, hip/valley cuts, and top notch • Printable as a solid jig or lightweight frame

Available version in Gumroad

Also Available as Free Version in the Thingiverse The Free version also available in Thingivese albeit with simpler geometric, built in lip and ruler as cantilevered model and only be able printed as a single-piece monochrome coloured STL piece. This free version can be downloaded via my Thingiverse main site

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