LR4 another build near Nijmegen

Hi all,

After a month of collecting and printing all materials, this week I started building a LR4. I’m making a version suited for quarter plates (1220 X 610) since I don’t have space for a full sheet version.

Beginning of the week I completed the main body, and today I made a table. The idea is to make a foldable table like this https://www.youtube.com/watch?v=FwEuSi5xRCo

Some feadback I got from building it:

I used 0,5 mm2 speakerwire for the endstops, which turned out to be a bit thick. Wiring all the wires through the thight channels was hard, but I managed.

The Znuts tend to break when screwing in the brass nut, I had to reprint several times. I think a bit shorter screw would avoid this. (I used m3 10mm)

I might have missed it, but the manual does not mention when to attach the Znut to the Zstub. Only to “leave out the cross tentioner for now”

I used a little bit of painter tape to tape the y-endstops to the body. As the manual mentions, they can easly break of, and knowing myself, I wanted to avoid this. This worked great! Took the tape of after setting the main part on the table.

It took me several minutes to discover how to attache YZ plates to the core. The screws can be insterted from the side if you set the plates on the corresponding heigth.

I printed al parts in black. After looking at some other builts, I regret not using a bit more color. I guess I can still add it by putting on the “peter plates”.

I have some polycarbonate sheet laying around which I planned to use for the strut plates. The thing is, they are 2 mm thick. Do you think I can still use these, or maybe make 2 or 3 and add them together? Like to here your opinion.

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Looks good! More pics?

This is the state it is in now! Still have to attach the SKR board and attach the wiring.

Heres some pictures of the feedback
znuts breaking:

Tape over endstop

I also had a very hard time getting the x-belt seated in the slots in the plates/printed parts. I don’t know if I have some sort of thicker belt, the y-belts I managed to get, although also with a lot of force. For the X-belt I had to grind the aluminum plate a bit, drill the hole bigger in the stub and on the max side I did not insert a screw, only just the belt as this seems to be very tight/strong already.