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242 OSH Science project 2018

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Hotend.JPG This page is part of a Principia course ENGR242: 3-D Printing Technology

Please leave comments using the discussion tab. The course runs in the Spring semester. It is not open edit.


  1. Identify scientific/engineering lab need on campus for a 3D printable substitute for existing or planned purchase
  2. Meet with users to determine exact needs/acquire funds/components for multipart equipment
  3. Design 3D printable components with OS CAD packages
  4. Open NIH 3DP account and post STL under the custom labware section, include all source files from OS CAD package, BOM, directions, explanation of what it is and a price estimate for a commercial equivalent (may also post on your Appropedia page)
  5. Print component and bring to class
  6. Add picture and link to NIH in gallery and "savings per replica" and a hyperlink to cost source on Appropedia below.

List of projects and people[edit]

  • project name, ~~~~ to sign it
  • Laser blocker stand, Alex.weitman , Alex Weitman. Created for: Grant Larsen
  • Field camera water proof case, Ian Armesy. Created for: Scott Eckert
  • Test tube holder, Sofia Carrillo, created for: Chrissy McAllister
  • WACOM tablet pen holder, Aaron.cranford, Aaron Cranford. Created for: Dan Kistler
  • Camera to telescope stabilizer, Alan Freeman. Created for: Tom Fuller
  • Data Radio Box, Skylyr Cieply. Created for John Broere
  • Solar Car Battery Box, TimBassler. Created for: Brian Kamusinga
  • Magnetic bearing, TimBassler. Created for: Steve Ward
  • Test Tube Holder, Jonathan3DBean. Created for: Jeff Cornelius
  • Homework and Supply Organizer, Jacob.huss. Created for:Gage Edgar


Add your image and hyperlink to the gallery below using the example format.

OSH from 2018 ENGR242 Class

{{Gallery |width=180 |height=150 |title= OSH from 2017 ENGR242 Class |Image:FinalModel.JPEG|Sample Rotator,Sample Rotor, $495 [1]

|Image:IMG_1530.JPG|adhought creating the sieve,NIH Link, $50 ,[2]

|Image:Bjornmathisenprint.jpg|Telescope adapter for cannon dlsr,NIH Link, $89.99,[3], cost to print $3 filament costs, giving a savings of $86.99

|Image:IMG_20170410_001924.jpg|Battery module holder for solar car,[4], This would cost $108.13 from a custom fabrication house, which is where it would need to come from.

|Image:Cover1.PNG|Safety Switch Cover,Commercial Equiv., $17.48 w shipping, giving a savings of $17.44

|image:Final Printed Laser Blocker Stand.jpeg|Beam Blocker Stand, Beam Blocker Stand, $5.86

|image:Image.jpg|Longboard Footstop,Longboard Footstop, $20 [5]

|image:Small test tube holder.JPG|Small Test Tube Holder,NIH Link, An epoxy wire rack that holds 36 tubes costs $32. [6]. This print cost approximately $5.73, so it would save you $26.27

|image:IMG 8312.JPG|Large Test Tube Holder,Holder, This was offered at $29.99 from Amazon making the savings being $23.60 plus time savings

|image:TowerOfHanoiFinal.jpg|Math Modeling Manipulative - Tower of Hanoi, [7], $19.50 on Amazon and about $1.20 of filament here

|image:KentHeckelSpile.png|Maple Tree Tap,$3.80 per Spile with tubing and filter attached so not much cost savings here

|Image:MA LCD Screen Casing.png|LCD Screen Casing,[8], $11.90

|image:Finalcadoshpicture.PNG|Magnetic arc for laser lab,[9], $unknown

|image:Terrain Progress.png|Terrain map of Elsah IL,[10],$unknown

|image:IMG_1533.jpeg|Test Tube Holder,[11], 9 hours to print for a price of $2