There are two ways to see through it. You can try to see through the eyes, but most of us just did through the mouth of the mask.
Hi, the height of the mask is 380 mm, the bigger ring internal diameter is 285mm, the space for the neck is 228mm in diameter. The height of the middle piece (space for the head) is 295mm. Tell me if you need a picture of some sort to illustrate the dimensions.
Our department has a ILS9.150D laser cutter :)
Through the opening at the neck :)
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Lego Man Head MaskView Instructable »