An engine stand makes a great tailwheel stand with the addition of this height-adjustable post:
(1) 3/16 plate for the base.
(2) lengths of 1-3/4 angle and (2) lengths of 1-3/4 strap for the tailwheel cup.
(2) nuts and 16" of threaded rod for the post. I used some 1-1/8 from the scrap bin.
(2) 3/8" bolts with nuts and washers.
Bolt the assembly to the top of the stand and spin the cup to adjust height:
