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Nova Bath Stool Replacement Seat — image 1
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Nova Bath Stool Replacement Seat

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A FreeCAD replacement seat for a Nova Bath Stool

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Model information

Category
Bathroom
License
Creative Commons — Attribution

The seat on my wife's Nova Bath Stool broke (the 2 white photos) so I designed a replacement. 

Printed in green ASA with 5 walls and 10% gyroid infill with anti-elephant foot enabled.  Used mouse ears and glue on the build plate then let the print cool before removing.

Included:

  • StoolSeat.fcstd - the FreeCAD v1 document, 
  • StoolSeat-Body.3mf - an OrcaSlicer 3MF, 
  • StoolSeat-Body.step - a quarter seat piece,
  • StoolSeat-TestBody.step - a test file to make sure the dovetails fit.

You will need 5 M6 H8 threaded inserts and an insertion tool.

Print the dovetail test piece and test, you want a slight interference fit.  Adjust the dimensions in the sketch if necessary.

Print 4 of the seat quarters.  Trim the edges and smooth off any sharp corners.  I used a deburring tool and a small file.  Test fit.  You should have to lightly tap the pieces together using a rubber mallet.  When fit is good, disassembly, apply CA glue and reassemble (bottom side up), immediately wiping off any excess CA.  After the CA has set, use a 7.5mm drill to clean and widen the holes, then install the inserts.  I recommend using some blue loctite on the 5 bolts which should be hand tightened snug.

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