No odor, no pollution, and non-toxic during printing. 【𝐅𝐢𝐥𝐚𝐦𝐞𝐧𝐭 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧】 1. Install the spool on the spool holder of a 3D printer, and preheat the nozzle of the 3D printer.
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