Intelys C3000 vise clamps

Time to machine some aluminum clamps for a nice vise.
To be used on the palet of my Intelys C3000.
First time I am using 3D printing to check the part before wasting material and time with CNC milling: very useful, let me fix some design flaws before machining!

Toolpath calculation with BobCAD-CAM
3D printed prototype, compared to 4 aluminum parts machined on a CNC-6040
Clamp installation
Vise alignment

Automatic bed leveling for Ultimaker Original

After trying to implement auto bed leveling feature with a retractable switch, I decided to use a small induction sensor. I experienced poor mechanical reliability with the retractable switch mostly because the  PLA bracket was melting when the 2 extruders were hot.

I have modified the original hot end holder design by Ultimaker so that a support plate for the induction sensor can be tightly screwed.


Here is the original design compared to the new one

Original hot-end holder

Original design

New hot-end holder

New design

The induction sensor is a TL-Q5MC1-Z from Omron. Even it is rated for 10 to 30 VDC power supply, it works very well down to 2.5V, including the embedded red LED indicator. The detection distance of the aluminum plate is about 2mm. So I have replaced the 3mm glass plate by kapton tape to accommodate this short detection range.

The sensor is connected to GND, +5V and Pin13 of the Ultimaker controller board so that the ZMIN endstop switch is still active. Keeping the ZMIN endstop is useful for security reason in situation where the induction sensor does not work anymore, or the aluminum bed is not present.

TL-Q5MC1-Z connection

TL-Q5MC1-Z connection (brown, blue, black wires)

I have modified the Marlin firmware as below:

  • Activation of the 3 points bed leveling feature
  • Optimization of G28 and G29 sequences
  • Support of a sensor connected to the Pin 13 of the controller board

The project resources are available here:


Cable chain for heated bed


This gallery contains 2 photos.

I have added a nice Jason HK heated bed to my Ultimaker Original. The cables are guided by a nice cable chain and remixed clips. See following links to get the STL files for you own printer: