3D file Improved Binder Clip Spring Scale・3D printing thought to obtain・Cults

My final design for a binder clip spring scale left lots to be desired. The improved design is extra appropriate for dwelling use than out of doors/store use, and the advance give attention to just a few areas:
• The minimal measurable weight is decrease. By placing the clips in parallel as a substitute of sequence, the mass being measured has extra mechanical benefit to bend the clips. As a substitute of a minimal weight of 6 lb., this scale can measure a weight as little as 25 oz (1.6 lb.).
• This design change additionally offers extra displacement for a similar weight, enhancing sensitivity. Tick marks could be positioned each 2.5 ozas a substitute of each pound. As earlier than although, the items are customizable.
• The gauge mechanism has been simplified, which may also enable two scales—as an example, metric and SAE.
• This new design makes use of 5 printed components as a substitute of ten.
• The hyperlinks have been extra aggressively skeletonized, bringing the full filament demand from 181g for the earlier design all the way down to 110 g.
• No extra {hardware} is required in addition to the 2 binder clips and a few paper and glue. The earlier design wanted 4 bearings, two bolts/nuts, and some items of wire.
• The design is extra compact in a single course, permitting the handles to fold in opposition to the central hyperlink. It simply suits right into a pocket.

Most significantly, this design takes benefit of vase mode to hurry up the prints and cut back seams. Vase mode depends on the half having one (and just one) contour…however that contour could be pretty lengthy and sophisticated. So, by strategic placement of skinny cuts, I tricked the slicer into treating your entire half as perimeter. Ben Eadie’s video offered the preliminary thought of including cuts to ‘drive’ the mannequin perimeter to protrude into what would have been infill quantity. I simply took {that a} step additional and minimize by 2-line-thick truss members to hitch all of them right into a single perimeter. The cuts are skinny sufficient to permit the melted plastic to nonetheless be part of itself—however my slicer doesn’t know that. Utilizing this method, I made all three items of this design to be printed in vase mode.

General dimensions are about the identical because the final model, 8.5” x 2” x 2”. Most measurable weight is 55 oz. The one supplies wanted are 110g of filament, a little bit of paper and glue, and two 2” binder clips. I obtained the clips I used right here (It’s not an affiliate hyperlink. Simply probably the most economical supply of binder clips I may discover once I purchased them). I calibrated with round 20 weights, however you don’t actually need that many.

Full directions are within the information doc. There’s additionally an meeting video.
https://youtu.be/ekHDj3zxUVY