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Japanese Scarf Joint/Splice

Key_H25mm.png Japanese Scarf Joint/Splice
p1.png Japanese Scarf Joint/Splice
p4.png Japanese Scarf Joint/Splice
p2.png Japanese Scarf Joint/Splice
ScarfJoint_H8mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_H25mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_H50mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_H25mm.stl Japanese Scarf Joint/Splice
ScarfJoint_H50mm.stl Japanese Scarf Joint/Splice
ScarfJoint_L50W30H8mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_L50W30H40mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_L50W30H40mm_LooseAll_Shelled.stl Japanese Scarf Joint/Splice
Key_H50mm.stl Japanese Scarf Joint/Splice
Key_H25mm.stl Japanese Scarf Joint/Splice
Key_H25mm.png Japanese Scarf Joint/Splice
p1.png Japanese Scarf Joint/Splice
p4.png Japanese Scarf Joint/Splice
p2.png Japanese Scarf Joint/Splice
ScarfJoint_H8mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_H25mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_H50mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_H25mm.stl Japanese Scarf Joint/Splice
ScarfJoint_H50mm.stl Japanese Scarf Joint/Splice
ScarfJoint_L50W30H8mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_L50W30H40mm_LooseAll.stl Japanese Scarf Joint/Splice
ScarfJoint_L50W30H40mm_LooseAll_Shelled.stl Japanese Scarf Joint/Splice
Key_H50mm.stl Japanese Scarf Joint/Splice
Key_H25mm.stl Japanese Scarf Joint/Splice
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10 files (STL) Close
  • Key_H25mm.stl 10.399095999999998 × 10.399097 × 25.0 mm
  • Key_H50mm.stl 10.399095999999998 × 10.399097 × 50.0 mm
  • ScarfJoint_H25mm.stl 50.000001999999995 × 50.0 × 25.0 mm
  • ScarfJoint_H25mm_LooseAll.stl 50.000001999999995 × 50.0 × 25.0 mm
  • ScarfJoint_H50mm.stl 50.000001999999995 × 50.0 × 50.0 mm
  • ScarfJoint_H50mm_LooseAll.stl 50.000001999999995 × 50.0 × 50.0 mm
  • ScarfJoint_H8mm_LooseAll.stl 50.000001999999995 × 50.0 × 8.0 mm
  • ScarfJoint_L50W30H40mm_LooseAll.stl 50.000001999999995 × 30.0 × 40.0 mm
  • ScarfJoint_L50W30H40mm_LooseAll_Shelled.stl 50.000001999999995 × 30.0 × 40.0 mm
  • ScarfJoint_L50W30H8mm_LooseAll.stl 50.000001999999995 × 30.000001 × 8.0 mm

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Published to Thingiverse on:
Design number 183072
Design author LGBU
LGBU

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3D model description

####Japanese Scarf Joint/Splice

The Japanese Scarf Joint (JSJ) is a simple and functional joint or splice, which connects two wood beams into a longer one. It is mathematically appealing – a direct application of rotational symmetry of a rectangle (including a square, of course). To make a 3D design, one can just play around or make use of the rotational symmetry, starting from the center of rotation. There are many variations in terms of the connector length and the middle pin (key) shape. According to Sumiyoshi and Matsui, it can be properly called a “Pinned Rabbeted Oblique Scarf Splice.”

Among the files are a few Scarf Joints of various thickness and dimensions. The loose version can be printed in one piece. The filenames speak for themselves. Have fun!

####References
1. Sumiyoshi, Torashichi., & Matsui, Gengo. (1991). Wood joints in classical Japanese architecture (F. Kovacs, Trans.). Japan: Kajima Institute Publishing.
2. https://en.wikipedia.org/wiki/Scarf_joint
3. https://www.thingiverse.com/thing:2632180

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