It would be great to know what tweaks and enhancements you guys have made to your Mendel90 machines.
I've made some fairly minor changes, such as using an aluminium build plate (which works great and removes the need for clips) and a mirrored Greg Wade extruder that I still need to put up on Thingiverse. Are there any changes that you guys would suggest to other Mendel90 owners?
I would like to see adjustable Z-stop for Mendel90. Rather than changing the firmware for Z_HOME_POS, I have seen other printer mods with an adjustment screw on the z-stop.
Here is my adjustable Z top for Mendel90:https://www.thingiverse.com/thing:1930101
Perfect. Thank you.
I added 4mm pitch acme rods instead of the threaded rod for the z-axis, that gave me a big improvement in reducing z wobble (could be because my threaded rods weren't super straight). I also did some mods because I simply did not have the original materials required. I added a silicon heater bed running on 240V (huge improvement in warmup time) still print on glass though but the glass sits on top of the aluminum.
Made a custom filament spool holder with a version/option for a fully enclosed spool (mostly for keeping nylon dry) here is a video https://www.youtube.com/watch?v=aikRKSMdc_w
link to thread holder https://www.thingiverse.com/thing:2313124 endstop adapter https://www.thingiverse.com/thing:1879103 z bar holder https://www.thingiverse.com/thing:2494118
Since Nophead have included a direct drive extruder there are not many enhancements that make much sense, only a few:
http://www.thingiverse.com/thing:287497 - But if you print ABS you will not need an extruder fan at allhttp://www.thingiverse.com/thing:755654 + http://www.thingiverse.com/thing:744868 - Usefull if you do print ABShttp://www.thingiverse.com/thing:23907 - You don't need auto level if bed is level
I recently made such a direct extruder, is now in the test. It works not bad.http://www.thingiverse.com/thing:989013
Can you show photo your aluminium build plate? Maybe in a future i made this too.
The aluminium build plate is great at conducting and distributing the heat. It is also useful if you want to use an inductive sensor and automatic bed tramming/levelling (see: https://www.youtube.com/watch?v=EcGFLwj0pnA) Unfortunately I don't know how to upload a picture using these forums. It doesn't look like they've provided a way of embedding images in posts.
I basically bought a 3mm aluminium plate with the correct dimensions, drilled holes and countersunk screws into the corners where the hex pillars are. It has the added advantage of getting rid of the clips which I found got in the way sometimes.