bmrtin

Instructables

• 

  RF Meter for Multimeter

  59 11K
• 

  Get the Most Out of Your Entry Level Telescope

  88 6.1K
• 

  Telescope Focus Mask for Perfect Focus

  47 5.6K
• 

  Webcam to Planetcam

  16 1.5K
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  Plant Fiber Cordage

  30 2.9K
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  Gasket From Food Box

  68 18K
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  $2 Comic Book Frame

  84 10K