3D Printing

Almost Forgot – 1.25″ Eyepiece Adapter

Ok, this isn’t strictly a case of “forgetting” to design somethign–I’d planned to just buy 2″ to 1.25″ eyepiece adapters ready-made. But since I’m becoming more comfortable with rolling my own parts, I thought let’s design it and see how much it costs to print. Turns out these will cost less than $8 to print.…

Read More

Focuser Updates

Updates have been made to the focuser based on the 3d prints. One unexpected change is the possibility of doing away with the bearing axles entirely. I placed the bearings in their slots on the drive block print, and even with tight tolerances they spin very freely when placed directly against the Onyx surface. I…

Read More

First Focuser Prints

So! The first parts arrived. As someone who’s been doing graphic design for over 20 years, receiving my first 3d-printed parts completely recaptured the excitement of seeing my first 2d work coming off the press. Real things are real, which is why you get excited when you experience the original photons from Jupiter hitting your…

Read More

First 3d-Printed parts ordered!

Big day, the first round of focuser parts have been sent to a printer. They are being printed in Onyx–nylon combined with chopped carbon fiber–for 1.4x the strength and stiffness of ABS. There is no real unit testing yet, since the focuser is itself a unit test of the tertiary housing. No doubt a lot…

Read More