I made an acrylic scale (AKA an acrylic ruler) yesterday and it came out pretty good, in my opinion. It’s quite accurate and easy to read too. I can envision a few places where I would prefer to use this acrylic ruler instead of a metal ruler.
A project like this could be done in… 20 minutes or so if you have a good plan for your design. Maybe add another 10 minutes if you have to make revisions to your design. Subtract some minutes if you’re in a hurry and just want to get something made as quickly as possible.
Personally, I turned it into a 2-hour project by recording (both video and screen capturing) the whole process from start to finish, and also including a bunch of stuff that I had already done. And THEN I made it an ALL DAY affair by editing together all that video… Whew, what a hassle that is!
Below is the video. It’s… thorough. It basically goes from turning on a Trotec laser, to focusing the beam, to cutting a speed test pattern, measuring the kerf, positioning cuts/engraves on the bed of the laser, messing with the Trotec “JobControl” software settings, and some other laser-related stuff I’m sure. I also give a decent look at simple 2D designing with Rhino by drawing the scale from scratch (and making corrections) and throw in a shout-out to the screen recording software I use (“OBS”). Included is video of all the cuts and engraves. At the end, I compare it to a factory-made scale and carefully measure its dimensions.
The video is an hour long… Grab a sangwich and some coffee and enjoy!
Here’s the file…
150mm Scale.dxf (541.8 KB)