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Back(https://www.bulgin.com/products/pub/media/bulgin/data/Battery_holders.pdf Comfortable Electronic CR2450 battery holder, http://www.keyelco.com/product-pdf.cfm?p=710 Battery holder for CR1216/1220/1225, https://linxtechnologies.com/wp/wp-content/uploads/bat-hld-012-smt.pdf battery holder.
- -3.34779 5.33536 facet normal 7.808505e-001 3.477524e-003 6.247083e-001.
- -0.0458387 -0.92006 0.389086 facet normal -0.0973393 0.995186 0.0113559.
- Normal 0.898705 0.427228 0.0990185.
- -0.0119696 facet normal 0.990435 0.097575 0.0975568 vertex.