I finally documented my analysis scripts to make calibrating a Delta 3D printer a bit more straightforward.
Not totally automated, but getting there.
With some of the new Marlin updates that allow setting some of these parameters in EEPROM instead of compiling them in,
this could be part [...]
Here is my drawing for a box to enclose a RAMPS1.4 stepper motor control board. If you don’t have any RAMPS1.4 boards… I guess you won’t be interested. You can cut these at Quelab from 3mm acrylic. Cut one copy as is, another copy without the little access holes for the [...]
After making it part way through the dreaded calibration procedure for a delta 3D printer, it does not seem that bad. I tried to write a quick overview that may be helpful to some.
I am not done yet, but I am within +-1mm of flat. I hope that the autocalibration [...]
I have gotten busy, and not heard much from ACE. I don’t have tickets yet (guess I’ll get them at the door). I don’t know if I could bring the Dalek if I wanted to, without permission as an Exhibitor.
It has a blown transistor, which I have not fixed yet. I could just replace [...]
There are some tricky aspects to working in wood. Since it is not totally flat, cut the stock just large enough for your piece, then stabilize with magnets. It can move with the engraving motion/vibration. Masking tape would have helped with burn marks/smears, but they can be removed to the desired degree with [...]
I have drawings for a 3D printer filament spool holder, in 5mm stock. 5mm plywood is common for furniture backing and drawers. This was tested on the Quelab laser cutter. See my blog for details.
The axle can be made from a short piece of electrical conduit.
I had a very hard time figuring out how to use Pin-Change Interrupts. I found AVR documentation hard to follow, and Arduino libraries overly complicated and obfuscating. Here is an example of how to use pin-change interrupts for Arduino (mega). It may help.
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