Just a quick note to probably state the obvious to most people
A few pieces of equipment you should factor in when buying a laser machine.Fire Extinguisher!! ESSENTIAL!!
even a small fire when cutting paper or suchlike can damage your nice shiny new machine beyond economical repair. A good quality CO2 extinguisher should sit close by to cover you if anything goes awry. Powder and foam are great in the right circumstances but on delicate equipment both will probably do more damage than the fire itself.
A warning though (Hell I need to make sure I cover myself) is do NOT use CO2 extinguishers on metal fires, Sodium,Phorphorus,Magnesium etc then again if you stick anything like that in a laser machine theres a good chance fire isn't going to be your biggest problem Vernier Caliper (Digital)
Nothing worse than cutting out a load of parts (especially cast acrylic) and finding that variation in thickness means none of it will fit together!! Cast acrylic can vary by as much as 0.4mm total or 10% (on thicker stuff) so a decent vernier is a great idea. Mitutoyo is the best but can be expensive, (£80+) but as a long term investment will pay for itself in less scrap many times over.
Please don't bother with the ying pong £20 jobbies from the local market, the accuracy is suspect at best and little better than a wooden ruler at worst!
On that note it's time for the school run
if anybody else has any good thoughts on recomended purchases ,stick them up