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What is a test tube peg rack? The test tube peg rack can serve a number of purpose like, normal test tube rack, tube drying rack and glass plate rack (SDS-PAGE?). It is compact comparing to usual test tube rack design. Essential for…
Essentials Designed for school labs where you'd use the same labels every year. Stick your label to this clip instead of the tube. Then snap this clip onto the test tube. No glue, no mark. Ready-made 3MF models for 15~18mm test tube and…
A stationary organizer inspired by the electron s/p/d-orbital shapes…. or whatever the viewer imagine (likely flower?). Functionally, the center “s-orbital” for holding the bulk of taller objects like pen, 15cm rulers and scissor. The…
A set of tools for cutting out agar cubes at approximate sizes. Includes “cork borers” but in square shape (SCAD/3mf file), and a chopping board(STEP file) with predefined slit locations for cutting. For the cork borers, set to vase mode…
This is a simple frame for mounting a piece of tracing paper or other semi-transparent paper as a projection screen for optics experiments in physics class. Print ONE PAIR for a single frame. Other materials required 1cm long flat-head M3…
On 9th July 2022, a competition on using rovers to transport ping-pong balls down a stair was held. All designs except mine (probably) used extensive electronics… hey! you expect kid from secondary 1-3 (age 10-13) can build that!? So my…
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