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Soft Jaws for Irwin/Yost 3-inch Clamp-On Vise
I made this set of snap-on soft jaws for my old Irwin 3″ clamp-on vise. (As of 2017 this vise appears to be sold as “Yost 3-in Cast Iron Vise” but don’t take my word for it.) It includes a...
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Fan Duct for Elmo 16-CL 16mm Projector
This is a replacement fan duct (or shroud) for the Elmo 16-CL 16mm film projector. Elmo calls it a “Fan Casing” (part #4P31837) in their service manuals. The original parts often age badly and...
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Blackburn Click Bike Light Strap Holder
The Blackburn Click is a decent inexpensive USB-charged bike light with a fatal flaw: The silicone strap isn’t held captive so it will fall off and get lost whenever it’s not attached to the bike!...
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Boot Lace Eyelet
Here’s a simple, rugged eyelet for bootlaces, useful for repairing boots where the metal or plastic eyelet has fallen off. Download files from Thingiverse
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Mic Windscreen for AT BP4025
These files are my attempt to make a compact “blimp” style windscreen for the excellent Audio Technica BP4025 Stereo Microphone. NOTE: It works but I haven’t tested thoroughly for frequency response...
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Canon Digital Lens Mount for JK Optical Printer
This is a solution to an obscure problem when using a Canon SLR with a JK Optical Printer (a device originally designed for optical effects and reframing of Super8 and 16mm movie film). I sometimes...
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MixPre-6 LiPo Battery Backpack
Here’s my DIY solution to powering the Sound Devices MixPre-6 audio recorder. The official “L Series” battery sled (MX-LMount) works great, but I wanted something to meet my specific use case. It’s a...
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DIY “Teensy” Bat Detector
Ultrasound has fascinated me for a long time (see my other pages about ultrasound recording and microphones), and I’ve been observing urban bats in NYC for several years. I’m fascinated by the urban...
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Zoom H2n Top Knob & Button Guard
These are 3D-printable accessories for the Zoom H2n audio recorder. They were designed with FreeCAD 0.18 and source files are included. H2n Knob I find it really hard to turn the knob on top of the...
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Short 16mm Film Rewinds
When editing 16mm motion picture film, you need a way to wind it between reels. Normally this is done with a pair of large geared cranks called “rewinds”. But what about something small and portable...
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Knob for Amaran AL-F7 LED Light
This is a replacement knob for the Aputure Amaran AL-F7 LED Light. The stock knob seems to have a design problem that causes it to crack under the stress of its set-screw. (I’ve seen this happen on 4...
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Zoom H1n Recorder Shockmount
This is a reliable and simple shockmount for the Zoom H1n audio recorder (and probably other small handheld recorders). Designed in OpenSCAD (source file included). Uses the Regular Convex Polygon...
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Tripod Adapter for Rode Microphone Shockmounts
Rode makes excellent microphone shockmounts that are affordable and compact and use Rycote “lyre” suspensions. The SM3-R fits on cameras via the cold-shoe. The SM4-R has a 5/8″ mic stand mount for...
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Haul-A-Day Cargo Bike Kickstand Fix
This is a pair of shims to improve the kickstand on the Bike Friday Haul-A-Day cargo bike. The kickstand legs are mounted to a split collar that rotates around a lower frame member. Unfortunately, the...
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Wall Plate Adapter for Tiny Reflow Controller
I’m slowly converting to surface mount components in my electronic tinkering. It makes things easier in so many ways, but soldering little things is hard! The humble toaster oven or hot plate helps,...
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Lomo Tank Adapter for “Bucket Processing”
This is a light-tight funnel for the Lomo UPB-1A film processing tank, used for processing 16mm and 8mm motion picture film. I’m calling it a “bucket processing adapter” because it provides an escape...
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Adapting Short-Throw Lenses for 16mm Projectors
The problem 16mm film projectors usually include 50mm lenses, designed to fill a typical screen in a theater or lecture hall. If you have a smaller room, you probably won’t be able to fill the screen....
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