Build a marker config and the client loop that draws it, picking each type from the marker list instead of guessing an id. The loop sleeps when nothing is in range.
Browse the list to see what each type looks like, or type an id.
x, y, z. Markers usually sit slightly below ground level.
Marker width in metres. 1.5 is a comfortable doorway size.
Marker height in metres.
Marker tint.
0 to 255. Around 100 reads well without hiding the ground.
Spins the marker on its axis.
Makes the marker float. Useful for objectives.
Keeps the marker turned towards the player.
Add as many as you need. They all come out in one config table.
Metres. Beyond this the loop sleeps and draws nothing.
Fires a marker:interact event when the player presses E inside a marker.
Garry's Mod
Minecraft