The Workshop Rebuild Digital File Cylinder Cover Set is designed to help you securely seal and protect your BMW R100 cylinder during:

● Sandblasting

● Vapor blasting

● Surface preparation

● Powder coating & paint masking

What You’re Purchasing

This bundle includes the following digital files:

● 1 × Read Me Document with a Hardware List (PDF)

● 2 × STL files

● 2 × STEP files

The STL and STEP files contain the same designs in different formats, ensuring compatibility with various CAD programs, slicers, and CNC workflows.

What This Set Covers

This is a complete cylinder masking system, designed specifically for the BMW R100 airhead engine, however it may suit similar models from the same era. The files include:

● Top Cylinder Cover

● Bottom Cylinder Cover

Together, these components fully enclose critical openings in the cylinder to prevent contamination during blasting or coating operations.

Designed For

● Engine rebuilders

● Restoration shops

● Powder coaters

● Media blasting professionals

● DIY airhead enthusiasts

Whether you 3D print them for short-term masking or machine them from more durable materials for repeated shop use, this system gives you a precise, purpose-built solution.

Important

● ✔ This is a digital download only

● ✔ No physical parts will be shipped

● ✔ Hardware is NOT included

● ✔ Files are designed specifically for the BMW R100 cylinders

● ✔ Basic knowledge of 3D printing or CNC machining is required

If you have a smaller-displacement engine and require a custom size, please contact us

Disclaimer:

Images showing the cylinder and hardware are for demonstration purposes only!