Hobbies, learning & leisure

Attach your own white bounce card to an upward-pointing speedlight.

Digitise negatives with a camera: configure film width, image windows and frame spacing. Print the base carrier and matching mask separately.

Match holder length, slot thickness and bevel angle to your own flat fret file.

Park a spring-loaded lens cap on your camera strap: match socket diameter, strap width and thickness. Two slots for threading the strap.

Keep three picks within reach on an existing stand tube. Match clip inside diameter, height and slot width to the tube and picks.

Three-part lens tube for manually focusing your own lens, including a matching threaded retaining ring.

Size the outside diameter and central stop for your microscope filter holder.

A five-pointed aperture with configurable disc and star sizes.

Position loose slide mount halves during film assembly. A stepped pocket supports the frame and leaves the image area open.

This stereoscope plate positions two identical converging lenses of your own in front of a suitable stereo photo pair.

Replace worn grip rubber: configure inner diameter, band width and base wall thickness.

This air-vortex demonstrator is an open cylinder with a small circular front opening and a rim for your elastic membrane.

Rest a neck during string changes: configure cradle radius, height and depth.