Adjustable Laser Jack-Stand Bed!

While I was working another project, I came across these cheap laboratory adjustable jack-stands ( https://www.amazon.com/100mm-Stainless-Steel-Scissor-laboratory/dp/B01M3SEWX0/ref=as_li_ss_tl?ie=UTF8&qid=1511290365&sr=8-2&keywords=adjustable+lab+jack&linkCode=sl1&tag=diy3dtech-20&linkId=48ed4507390d0bfef28437d2911d6ffb ) thought to myself these would make a great base for an adjustable laser bed. However the 8 inch version sat too high but the 4 inch was just right high wise but 4 inches was too small for the bed so I created a 3D printed version of a bed extender in bot 6in x 6in (which is the typical size of material I use and another 6in x 8in version for larger stock. Also keep in mind that you need to get you hand in the front to adjust the knob. Also, this is bit sacrificial in that bed will be burned by the laser so I PLA at least hoping to reduce the toxicity of fumes as I have laser-ed ABS before and lets not good. I also designed 2mm pins for standoff and you might be as