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need drawings of 2 small profiles.
Profile 1, 5 mm thick, 50mm wide, 50 meter long, with a snake profile on one side, 2mm deep and 3mm wide and 2mm between each and then about 10 of this per profile. The snake profile on this thinn slopes should turn every 150mm.
Profile 2, 1mm think, 40mm wide and on top, 4 slopes that is 3mm thick and 3mm wide, this for should be placed with 10mm between ecah.
Hand drawings of both can be send upon request.