====== Negative Traps ======

//This is a user contributed pattern and only available with the modified shapefile.//

||Slope||trapezoidal wave||
||Range||-1000 ... 0||
||used in|| {{backlinks>.#shapes:custom_shapes}} ||
||contributed by||Alex del Bondio||

(created from the shapefile using [[shapes:pattern:convert]])

{{:shapes:custom_pattern:neg_traps.png}}