Adjustable bracket for 12 & 18mm laser head for K40

Adjustable bracket for 12 & 18mm laser head for K40


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V3 is sent with orders made 2019-05-04 and later.
This is version3 of this bracket – centered bolt to make more room and easier adjustment and better reinforcement of the part to make it more stable and less vibrations, we are also printing it with higher percentage infill than earlier.
If you ordered the V2 of this bracket – email us and we will send you the V3 for free.

This bracket is 3D-printed and fits the 12mm laser heads for the K40 laser machine.
Please note, the part is delivered “raw” from the printer, some cleaning might be needed. We do a quick filing of the movable parts to make it fit properly.
Now printing in the color black

By popular demand, from 2019-02-23 bolt and washers are included in this kit.

With this one you can adjust the height position of the laser head very easy. No need for shims or other time consuming modifications.
Mount the screw and glue it in place it the smaller part (head plate), and put the nut on the laser side.

Please note:
There is a similar bracket avalible on Thingiverse – this is NOT the same, our version has more adjustment height to cover the differences in K40 and bigger machines.
Laser heads for this bracket can be found here

2 reviews for Adjustable bracket for 12 & 18mm laser head for K40

  1. 1 out of 5

    andrew Falat-marsh (verified owner)

    dont buy this the locating adjustment for the gantry does not work, on full adjustment it puts the centre of the mirror nearly a centimeter out and cannot be brought any closer. unusable k40 .it will not center the beam in the last mirror.

    • HP Persson

      We have sold more than 150 of this bracket, only a few complaints and all of them has been alignment or machine issues. Contact me at and i will help you align your machine with the adjustable bracket.

  2. 1 out of 5

    Martin H. (verified owner)

    super fast delivery, but on mine the nylock nut portrudes way to far out of the recessed hole, colliding with the laser heads body, had to use a regular nut. the mounting plate for the carriage is warped, forming no straight line with the movable head part making the head end up in a 95° angle, its also having quite some flex, making the whole contraption not square to the bed or gantry. on the head holder part there was also some layer delamination. cant really use it, its way to floppy and warped. i had to print my own design to hold the head.

    • HP Persson

      Turn the bolt around, having the nut on the bigger part and glue the bolt in the movable piece 😉
      If you got a bad print we do of course replace it with a new one, or send me a email at and i´ll refund you the cost. Sometimes when we print at night in a hurry we might miss a bad one.
      And thank you for the review and thoughts about unstable bracket – we are adding more reinforcement on it from today!

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