Pen की खाली Body फेंको मत Powerful 3d Pen बनाओ और ₹3000 बचाओ Top New Idea

Hello friends aaj is video me ham Glue gun modified karke 3d pen banayenge. uses components.
1. pen body
2. marker body
3. nichrome wire
4. dc power supply
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  / samarexperiment  

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