S4 · Straight

Four grid steps, the test module for slope.

Same rail ladder as S2, twice as long. Used in test series 1 to find the smallest slope on which a marble starts rolling from rest.

Footprint: 4 steps, 200 mm
Drop: 10 mm, 5 %
Moving parts: none
Print: PLA, no supports, 2.7 h
Bought parts: none

Straights come in seven lengths from S2 to S14. Up to S8 they print in one piece; from S10 on the side walls come off the laser and the printer only makes the rungs and the end pieces.

Other track

All 32 modules

S2 · Short straightTwo grid steps of rail ladder.S8 · Long straightLong straights come from the laser, not the printer.ST · Start and endAn S2 with a wall at one end.

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