This is a 8 x 4cm (3.14 x 1.57 in) stencil for organic chemistry, also there is marks to measure in cm, you can re-escalate the model but have in mind
Organic chemistry stencil
Quickly and easily draw shapes and molecules with this organic chemistry stencil. AVAILABLE FOR PRE-ORDER ONLY., Estimated fulfillment time is 2 to 3
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