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molds [2018/12/27 13:36] – yairmolds [2019/09/15 23:53] (current) – yair
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-molds for sugar need to be safe for consumption (even if not directly wallowed) and at temperature of 160c (sugar base goes up to 146C but better safe) 
  
-{{:pasted:20181227-113538.png?850}} 
  
-{{:pasted:20181227-113541.png?850}}+====Intro==== 
 +molds for sugar need to be  
 +  *safe for consumption (even if not directly wallowed)  
 +  *hold at temperature of +160c  
 +    *sugar base goes up to [[https://idiot.io/wp-content/uploads/Electrodible/CandyMakers-1024x724.png|146C]] but better safe
  
-{{:pasted:20181227-105655.png?400}}+when making multiple impressions in a single mold, [[https://idiot.io/projects/corn-starch-molds/|silicon+cornstarch]] method falls short. 
 + 
 +{{:2018-12-27_20-33-44_chrome_photo_-_google_photos_-_google_chrome.png?direct&200|}} 
 + 
 + 
 +see more at http://idiot.io 
 + 
 +====Results==== 
 + 
 +{{:mold2.jpg?600&direct}} 
 + 
 +====make mold====
  
 {{::moldmke.mp4?640x480|moldmke}} {{::moldmke.mp4?640x480|moldmke}}
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   * pour...   * pour...
 {{::pour_platinum.mp4?640x480|}} {{::pour_platinum.mp4?640x480|}}
 +
 +{{::pour.mp4|}}
  
   *wait 8 hours...   *wait 8 hours...
 {{::20181227_120209.mp4?640x480|extract}} {{::20181227_120209.mp4?640x480|extract}}
  
-{{:mold2.jpg?500}}+ 
 +==== RTVs==== 
 +{{:pasted:20181227-105655.png?400}} 
 + 
 +watchout for  
 +  * [[https://en.wikipedia.org/wiki/Viscosity|Viscosity]] - higher numbers mean running slower 
 +    *[[https://en.wikipedia.org/wiki/Viscosity|{{:viscosities.gif}}]] 
 +  * shelf life - always look at datasheet  
 +    * 20 month sometimes less. the smoothOn was opened and was all stiff  
 +    * the platinum base was much more viscous a day after opening. not a good sign. 
 +    * {{:stiffon.mp4?0x600}} 
 +  *  
 + 
 +==== volume ==== 
 +we tried water, kuskus and polymorph pellets.\\ 
 + 
 +but best is to [[https://www.calculator.net/volume-calculator.html?rtanklength=19.5&rtanklengthunit=centimeters&rtankwidth=6.5&rtankwidthunit=centimeters&rtankheight=2&rtankheightunit=centimeters&rectcal=Calculate#rectangular|calc]] 
 + 
 +{{:pasted:20181227-150102.png}} 
 + 
 +calculate 3d volume from simplify3D = 22.5 per bit 
 + 
 +(22.5*4)/253 = **163** [[https://en.wikipedia.org/wiki/Cubic_centimetre|{{:pasted:20181227-150603.png}}]]  
 + 
 + 
 + 
 +==== conformal coating ==== 
 + 
 +{{:pasted:20181227-113538.png?550x270}} 
 + 
 +{{:pasted:20181227-113541.png?550x270}} 
 + 
 +==== Vacuum forming ==== 
 + 
 +{{youtube>Gx66mS7U2vY}} 
 + 
 + 
 +==== milk made ==== 
 +https://www.instructables.com/id/Bioplastics-Casein-Plastic-and-Starch-Based-Plasti/ 
 + 
 +src [[https://www.hackteria.org/wiki/Wormolution_-_Hackteria_Temporary_Autonomous_Laboratory_at_1000_Ecologies,_Geneva#Ideas_and_Projects_to_work_on|Wormolution_]]