Solar finder compatible with Telrad mount

It can be a hassle finding the sun with your telescope when you have a solar filter over your objective. You struggle with lining up shadows of bolts, etc.

If you have a Telrad mount on your telescope, the device fits on your standard Telrad mount. The little hole in the front screen casts a shadow onto the projection screen. If your Telrad mount happens to be well aligned with your scope, simply make the bright spot of light land on the hole in the projection screen. If not, find the sun once, mark the screen with a pen etc., and you're ready to go for the future.

Three versions are available. Two have sighting lines that may be useful. One without. Of the two with sighting lines, I made an improved version that I recommend. It is a little trimmer, but also it has a long ridge along it's length that provides a bit of structural integrity, reducing warpage that can occur.

I recommend printing in PETG or ABS, and slicing so the four feet of the mount are facing downwards. (See the