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Pantograph Bookend — image 1
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Pantograph Bookend

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Parametric retractable bookend that was designed to actually work (doesn't flip).

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Model information

Category
Home Decor
License
Creative Commons — Public Domain

The main purpose of a bookend is to hold the books, so I decided to design one that does it as well as possible.

The original idea is not mine (saw it somewhere on Aliexpress as a metal version a while ago). I've designed this in openscad and tried to make it fully customizable.

To print this, you need:

  • left and right wall
  • some # of bars (there's 10 bars stl for the bookend as in the picture)
  • 2 spacers, 2 long pins and some short pins
    • 17 pins stl is prebuilt for the bookend as in the picture
    • you can use ordinary pins (which need to be glued) or threaded pins

Check bookend.scad for options to customize and generate your own stl files.
A library for threads is included in files (source link is inside .scad file).

To achieve better sturdiness I recommend to increase thickness from 2mm to 3-4mm.
For the best holding power, you need to glue the pins in the sliders after you set desired width.

I printed this with PLA 0.6mm nozzle 0.4 height (pins 0.3 height) in total of 4 hours on MINI.
No supports, all default settings in PrusaSlicer.

 

 

 

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