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Wensi PV layer holder

by M_G, published

Wensi PV layer holder by M_G Mar 20, 2013
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This OpenSCAD script will generate a simple one piece fixture to hold Wensi's PV layer's PV cell, PCB and supercap. This is using the slightly newer layout and SCAP propsed on the 17th August 2011

Author: Mark Gaffney
Version: 2.2
Date: 2011-09-16

add thin infill for hollow sections to improve printability
make slide in PV version
make 2x corner 1 middle tab PV version
make screw post PCB version
make pin post PCB version
make mushroom post PCB version
move holes for SCAP pins (2x dia=0.6+blah separation=~10-blah dist_from_bottom~=2.5-blah dist_from_sides=5-blah) and PV wires to more logcal place, also change to square, triangle or teardrop shape for better printability
remember the SCAP is now a table profile with dia~=10.5

there is no top part for this

Changes from previous versions:

  • Change cutout for trapezoidal/pyramidal shape
  • Fixed some vlaues to place the support posts in corect location (up +1mm) scap leads Right +2mm
  • increased post diameter for the two along one side slightly
  • New layout (PCB rotated 90Degrees) and larger SCAP
  • change pcb_l 30->35 pcb_b 35->30
  • change scap_l 23->20 scap_b 15->22 scap_h 5->10


  • add thin infill for hollow sections to improve printability
  • moved entire structure above z=0 plane (no longer a destroyer of belts)
  • added mouse ears
  • made thinner
  • fixed incorrect measurements for PV panel
  • Added holes for wires between sections


  • Removed plastic from centre of pv area to speed up print


  • Fixed error with cutout translates due to misuse of separation and clearance variables
  • Fixed error with second half of calculation of total _b using max() where I forgot to include separation


  • Added support posts


  • First attempt


  1. Design and build prototype indoor energy harvesting electronics
  2. Choose appropriate energy scavenger (aSi panel) and storage (supercap)
  3. Print holder
  4. Install and test
  5. Re-iterate as required

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2077Views 593Downloads Found in Electronics
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Wensi PV layer holder by M_G is licensed under the Creative Commons - Attribution license.

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