Drum (Top)	Drum (Top)
Drum (Bottom)	Drum (Top)	Incomplete
		Sculpt	Sculpt
Sculpt	Sculpt	Isometric view	Bottom view
Isometric view with Parts	Isometric view	Side view
Ring Device	Ring Device	Ring Device	Ring Device
Ring Device		Original Belay Device	Belay Device (New)
Belay Device (New)	Belay Device (New)	Belay Device (New)
	Redesign