I couldn't find an adjustable stand for a few helmets I sold.  So I created one that will allow me to add height in ½" incriments.

2 different bases to chose from, I will add more soon.  

Simply print a base and a Topper, then you can print the post segments you need to get the right height for your helmet stand.

The bottom post will fit directly into the base and the top of the post segments will fit into each other and into the topper.

I like to Glue the posts together as soon as I find the right height.

Pro Tip - Line up the seams on the post segments and put them facing the back.