Arun is a product designer, engineer, photographer, and writer. Most recently, he was co-founder and product designer at Carrot Fertility. He writes at arun.is.   TOOLS: 0:00 - Intro 0:49 - BMI 40b x4 tape measure: http://www.bmitools.com/ads/products/categories/steeltapemeasures/window-tape.html 6:26 - BMI Inklinat level: https://www.bmi.de/en/products-spirit-levels-682-inklinat.php 10:00 - Merco packing tape dispenser: https://mercotape.com/products/merco-dtn 15:00 - Pinecil soldering iron: https://www.pine64.org/pinecil/   Watch on YouTube: https://youtu.be/Mu8HC75K78M   For show notes and transcript visit: https://kk.org/cooltools/arun-venkatesan-product-designer/