PG21 Blind Stuffing + Nut and TPU-Sealing / PG21 Blindstopfen + Mutter und TPU-Dichtung

PG21 threaded blind stuffing to close unused PG21-openings in housings.

[1] Thread type:
  PG thread

[2] Diameters for PG21 opening:
  a) threaded hole:                    26.8mm / PG thread
  b) drill hole without thread:  28.3mm

[3] Sealing:
  An optional TPU-sealing model file is available.

Print
Material:   PETG (blind stuffing, nut), TPU 95A (sealing)
Supports: not required
Brim:         not required
Serial printing (part by part) for better thread quality.

Assembly
Place blind stuffing in PG21 opening and secure with PG21 nut.
Optionally place sealing on stuffing before assembly.
Use a 1€ coin for turning of the blind stuffing.

Hint: 
Apply some silicone grease on the thread, so it can be easily be assembled and disassembled.
(Without grease, the thread tends to wind on and off somewhat “sticky”.)