50mm lens holder 3D printable model by jbeale

50mm lens holder

Source: Thingiverse by jbeale

The 50mm lens holder is a free printable 3D model from Thingiverse by jbeale. This is a lens holder for a molded lens that is 50 mm in diameter and has an edge flange. You can download the STL file from the original listing below and print it at home.

Download free STL Get free app
146 saves Source: Thingiverse Updated 2026-05-22

Tags: 50mm, lens, holder

About this model

This is a lens holder for a molded lens that is 50 mm in diameter and has an edge flange. A semicircular slot 3 mm wide holds the edge of the lens. Adjust the SCAD file for the lens and mounting hole dimensions you need . Lens holders are useful for demos and optical experiments. The specific lens shown in the photos is "50mm Optical Glass Lens Collimator Plano-Convex for Led Projector" from eBay. On my printer, the slot ended up at 2.7 mm wide, about 0.3 mm too narrow for the 3.0 mm lens edge, so I had to scrape it out a bit with a knife point. Unless your printer is more accurate than mine, you might want to enlarge the slot a bit in the SCAD. You can print two of them and stack one upside down on top, to fully capture the lens. For a different 50mm lens holder that fits on a yardstick, …

Frequently asked questions

Is this 3D model free to download?
Yes. 50mm lens holder is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by jbeale.
Who made this model?
Designed by jbeale, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

Similar 3D models in 50mm

Amazon's top 3D printing gear (trending)
Download free STL Get free app