A few months ago, Ver1 / Ver2 / ver3 were released one after another.
However, it was a fact that I was not convinced that the design was lax and there were mistakes.

I corrected the strange part and released it as ver4 because printing was successful with filament = PETG.

I made it in a grid pattern in consideration of printing cost.

Print information)
PETG:
① Temperature 230 ℃, 70 ℃
(2) Printing speed 50 mm / s
③ Infill 40%
④ Support YES

PLA:
① Temperature 200 ℃, 50 ℃
(2) Printing speed 50 mm / s
③ Infill 40%
④ Support YES

Creality

Ender 3

No

Yes

40

Slicer：PrusaSlicer2.3.0