Mark Rehorst's Tech Topics

My technical projects that include topics such as 3D printing and printer design, photography, optics, electronics, etc.

Wednesday, December 25, 2019

New Life For An Old Radio

Back before I got into 3D printing, I used to collect and restore old vacuum tube radios and phonographs. I was particularly fond of wood c...

Thursday, December 12, 2019

Generating Sand Table Patterns Using Sandify

Update: Sandify now minimizes edge and corner motion. There's no need to use trimify2x.pl to clean up the gccode! There are two level...

Wednesday, December 11, 2019

Still More Sand Table Updates

Another Problem The Spice Must Flow's new, quieter mechanism was great, but I kept having a problem with it. It would run OK for a ...

Saturday, November 9, 2019

Attempting to Automatically Clean a 3D Printer Nozzle Using a Wire Brush

I want to print more lamp shades using UMMD with clear ABS or PETG filament. The only problem with these very large, long prints is that e...

Monday, November 4, 2019

Trimify2x: a Post-Processing Program to Improve Sandify Sand Table Patterns

Update 5/3/20: Sandify now contains code that will minimize sand table perimeter travel, so my Perl program, described below, is now obs...

View web version

Powered by Blogger.