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@@ -42,7 +42,7 @@ I've made a little table of different materials we can use. Typically, I stick w
 In the fullness of time, and with infinite fab, I figure gantry components (especially elements which see bearing contact) should be made from steels, water or laser-cut.
 
 | Material | Young's Modulus (GPA) | Specific Young's | Cost for 6mm x 24x24" | Machinability |
-| --- | ---: | ---: | --- |
+| --- | ---: | ---: | --- | --- |
 | ABS | 2 | ? | 52 | Not Dimensionally Stable, but OK to Machine |
 | Nylon 6 | 3 | 2.5 | 130 | Painful |
 | HDPE | 1 | ? | 23 | Easy |