WallDrillBox
每个隔间具有不同高度的钻头盒
Note: sh gives the height of the rows front to back. It though should have the same number of entries as sy. These heights are the one on the left side and increase throughout the row. To have each compartment a bit higher than the previous one the steps in sh should be a bit bigger than extra_height.
Assembly:
Start with putting the slots of the inner walls together. Be especially careful with adding the bottom. It is always asymmetrical and flush with the right/lower side while being a little short on the left/higher side to not protrude into the side wall.
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| Then add the front and the back wall. | Add the very left and right walls last. |
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