The low byte picks the piece: 0-4 pushable/static blocks, 5 a cube, 7 grass clump, 8 tree stump, 9/0xA the two SIGNPOSTS (the only types vanilla uses; their text id is the HIGH byte, read as message 0x300 + value), 0xB a boulder fragment. Types past 0xB just draw as the fragment.
Type variants (12)
This actor is placed in one of these forms. Pick it from the editor's Type dropdown. The value is what the actor's parameters store. Each picture is fitted to its cell, so compare the stated sizes and not the images.
Value
Type
0
Block (small)~60 units tall
1
Block (large)~120 units tall
2
Block (huge)~240 units tall
3
Block (small, rotated)~18 units tall
4
Block (large, rotated)~36 units tall
5
Cube (small)~60 units tall
6
Hookshot post~100 units tall
7
Grass clump~32 units tall
8
Tree stump~23 units tall
9
Signpost (oblong)~60 units tall
10
Signpost (arrow)~52 units tall
11
Boulder fragment~12 units tallThe boulder fragment (0xB, and anything higher) is falling debris with gravity, not a persistent prop.
Parameters
Beyond the type above, the parameters hold these fields. The editor shows each as a labelled control.
Shown: 0x0000, the value a newly placed copy starts with.
Typebits 0–7: 12 options12 of 256 values used
Sign textbits 8–15: 0–255. Read when Type = Signpost.all 256 values usedThe text this actor shows. Pick a message from the browser, which lists the text of every entry, or add your own. The value stored here is the message id minus this actor's fixed base.