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Tamiya Wildone Side Shell Stay

This is a replacement for the Wildone body shell side stay: upgradeparts-tam-wildone-shellstay

Coreless motor mount for RC glider plane

There are multiple different versions here: Download: rcplane-corelessmotor-holders  

About UGW Kits

At UGW we design hobby model kits with a unique fabless method – instead of…

Car kit sets

This is the first version complete kit (currently available for free), in two different scales,…

Boat kit set 1

This is a boat set derived from our car kit design. Again this is a…

Flying car kit set 1

Download link: fly-model-first-0.75-v2.stl_ By accessing, downloading, or using our 3D model(s), you agree to abide…

Shaft and hole tolerance

Fits refer to the relationship between two mating parts, such as a shaft and a…

Tolerance and fit

The ISO guidelines for holes and shafts, specifically within the ISO 286 tolerance system, are…

Order our books:

We are now using Lulu Press to fullfill orders. During the order process you will…

Stress testing a STL model

We are not affiliated with this web service. It does provide a free plan for…