Tell us about yourself!
I have just measured the ultraviolet transmission of clingfilm and sunbed grade acrylic. They both come in at 80-90% transmission, so both will work. Glass and normal acrylic come in at about 50% which is about the same UV as an overcast day.
Thanks. Yes it is micro grams, however mcg is the correct abbreviation in this case. https://en.wikipedia.org/wiki/Microgram "the recommended symbol in the United States and United Kingdom when communicating medical information is mcg."
Mushroom Vitamin D EnhancementView Instructable »
Garden Pallet BenchView Instructable »
Low Cost Vegetable Cutter
I've been using them for over a month now without a problem. You do need to know where your laser head is going to travel.
Cheap DIY Electronic PH Meter
Laser Cutter ClampView Instructable »
My son, who is in the last picture, is now seventeen and this chicken coup is still going strong. Different chickens, new roof, doors and floor, but still going strong :-) (See: Triggers Broom https://www.youtube.com/watch?v=BUl6PooveJE)
It looks a bit like a Calzone pizza. My favourite. Good instructable.
Quick and Easy Toaster Wrap Pizza!
Yes, all measurements are in cm but a 4 cm x 4 cm could be replaced with a 2" x 2" and 4 cm x 2 cm by a 4" x 4". I'm not a joiner whats a few mm between friends ?
Chicken CoupView Instructable »