This is fully printed jig for collimating 1.25" or 2" laser collimator with adjustable support distance.

Assembly

Assemble it by sliding the supports to the base. It is designed as intererence fit with flexible elements so the suppors hold securely but are still easily movable.

Onshape source

Support

All my work is free and in the public domain when possible. If you find it valuable, you can support me on Ko-fi. 

Telescopes collection

If you are interested in telescope and astronomy related items that I have made, have a look at my Telescopes collection here on Printables.