1x5 Plate Octagon

image of the building technique
  • ID: #239
  • Added: Aug. 8, 2026
  • Last Update: Aug. 14, 2026 [63e0c25]
  • LDraw File: Download
  • Size: 14s × 14s × 1b
  • Parts: 73 [9 per segment]
Plate Special 2 x 2 with Bar Frame Octagonal
Plate 1 x 5
Hinge Plate 1 x 4 Swivel Top / Base
Plate Special 1 x 2 with Clip Horizontal on End
Plate 1 x 2
Plate 8 x 8
Plate Special 1 x 3 with 2 Studs (Jumper)
Images from Rebrickable API
Stud Turn: 45° Polygon: 8 Sides
octagon with 5-studs sides
Alter Lego (2025-01-06, flickr.com)

As a general rule, it’s impossible to connect the sides of a regular polygon to its center in a legal way, since the apothem is always irrational (with the exception of the 4-sided polygon: a square). However, you can get pretty close sometimes, in fact close enough to work well.

Octagon 14 x 14
-Brixe (2025-03-12, flickr.com)

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