With Building Gadget in Hand:

Normal:

Not sure whether its you or Chisel&Bits
I don鈥檛 think it鈥檚 on my end. I heard about this one. I鈥檓 almost certain I鈥檓 doing it right.
Since the something changes when your item is in hand its logically something odd about your item.
Reference to second issue: https://github.com/AlgorithmX2/Chisels-and-Bits/issues/412
Specifically,
https://github.com/Direwolf20-MC/BuildingGadgets/blob/master/src/main/java/com/direwolf20/buildinggadgets/tools/ToolRenders.java#L152
and
https://github.com/Direwolf20-MC/BuildingGadgets/blob/master/src/main/java/com/direwolf20/buildinggadgets/tools/ToolRenders.java#L275
Before Commenting:

After Commenting both lines:

See I knew it would take someone smarter than me to figure it out LOL! :)
Most helpful comment
See I knew it would take someone smarter than me to figure it out LOL! :)