The first issues I had to fix on the TwoTrees Sapphire Pro

Already during the assembly, I noticed the first issues with the Sapphire Pro. The endstops needed to be 'reworked' - the hotend was not properly assembled and later on the extruder made problems. This is how I fixed it.

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TwoTrees Sapphire Pro and Marlin 2.0

The Sapphire Pro from TwoTrees comes shipped with a MKS Robin Nano board. While the board is open, its firmware is not and so you can hardly modify anything. Instead of replacing the board I managed to get Marlin working this machine.

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Upgrading the Anycubic 4MAX

TMC2208 Stepsticks - Simple upgrade for the noisy and old steper drivers for the anycubic 4MAX

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The Anycubic 4MAX 3D printer

The Anycubic 4MAX is my entry printer into the world of FDM 3D printing. In the past months I found out it's strengths and weaknesses.

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The ZW153 lightweight newtonian

last summer I recieved a 6" f/6 newtonian from ZW Optical. Now, I think, I can give a review and share some experience. I do mainly images from the solar system and the ZW153 is a moon-machine, but also I enjoy hiking to dark places and the ZW153 now replaced my 4" f/5 refractor.

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