Here is my take on MK11 Scorpion's default spear - Burning Akunin Hell Spear. This was 3d modeled in Autoddesk Fusion 360 and from scratch since the tail end of the kunai, where the ring meets the spear body has a different design. This is my interpretation on it, and I think it lends a better visual design on it.
I have uploaded both the whole spear, and the halves as well. I've included a 1mm flat extrusion from the center of the halves because I know printing it with a blade edge tends to not survive the printing process and for durablity. If enough people want it, I can also upload the version without the 1mm extrusion so the two halves and meet to create an edge.
I offer prints from my Etsy if you are unable to print it yourself: https://www.etsy.com/listing/906236554/3d-printed-scorpion-spear-from-mk11?ref=listing_published_alert
Note: this is for a costume prop only. This is not meant to be used as a weapon and can be dangerous is used improperly. Please use proper judgement - I know you will. Also, please do not repost this without crediting me or use for commerical purposes. This model is only for personal use.