机械iris内置M3六角螺母及M3 12mm螺丝

Mechanical Iris w/ embedded M3 hex nut & M3 12mm

2023-05-11 10:27:13

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Summary

Remix of the Mechanical Iris by Sketchpunk - https://www.thingiverse.com/thing:773759 - so that I could use a 12mm M3 screw and M3 hex nut - the front mount & back mount have been modified from the original. Screw head & nut will not sit entirely flush due to the thinness of the parts, but stick out a lot less than without this remix.

I found the threaded hole for the M3 screw to be tight but I used the model from Prusa and it's likely just tight because I printed at .35mm layer height - if you have this issue - I just used my tweezers to slightly enlarge the hole.

Assembled photo from Sketchpunk - the two with the embedded nut & screw are my own.

You need to print:
1x v2_frontmount_m3_hex_nut
1x v2_backmount_m3_12mm

You can reuse the other parts from the original model or print:
1x v2_pivot
4x v2_spacer
11x leaf
11x leafpin

Glue the pins to the leaves so that there is a pin sticking out from the face opposite to the face with the printed on pin (e.g. a pin on either end of the leaf - one pointing up & one pointing down). It's designed this way so the leaf can print without supports.

Print Settings

Printer brand:
Prusa
Printer:
i3 MK2S
Rafts:
Doesn't Matter
Supports:
No
Resolution:
.35
Infill:
15%
Filament brand:
eSun
Filament color:
White
Filament material:
PLA+
Notes:
37 minutes print time for the front mount, back mount & 4x spacers at 0.35mm layer height

60 minutes print time for the v2 pivot, 11x leaf & 11x leaf pin at 0.2mm layer height