{"product_id":"garntjockleksmatare-lace","title":"WPI-card, control card, lace edition, for thin yarns","description":"\u003cp class=\"MsoNormal\"\u003eA WPI control card is used by spinners to calibrate the yarn thickness and thus facilitate even spinning, and it can then be used to grade the thickness of the finished spun yarn. The lace version measures thinner yarns than the ordinary one,\u0026nbsp;\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eIt can also be used to check the thickness of a yarn you already have in your stash. On the back there are graduations for the angle of the twisted yarn and the difference between S and Z twist. There is also a practical hole if you want to hang it on your spinning wheel.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e3D printed in PLA filament.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePLA (polylactic acid or polylactide) is a bioplastic that is mainly made from starch from plants, such as sugar beets, sugar cane and corn.\u003c\/p\u003e","brand":"Träffström Design","offers":[{"title":"Default Title","offer_id":56918369534283,"sku":null,"price":130.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/0740\/0011\/files\/image.png?v=1774883343","url":"https:\/\/traffstromdesign.com\/en\/products\/garntjockleksmatare-lace","provider":"Träffström Design","version":"1.0","type":"link"}