Add minimal README description

Flag Clip satisfactory design
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 # flag-clip

 Hybrid clip / carabiner 3D printable model to attach flags to the rope of a flag pole.
 Hybrid clip / carabiner 3D printable model to attach flags to the rope of a flag pole.

 The gate of the carabiner does double duty as the lever of the clip.

 Since this was intended for outdoors use, I've printed this in PETG.
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--- a/flagclip.FCStd
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--- a/flagclip.stl
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--- a/flagclip_0.15mm_PETG_MK3S_32m.gcode
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Author	SHA1	Message	Date
Matt Neeracher	f895a9369b	Add minimal README description	1 month ago
Matt Neeracher	4fbe220e56	Flag Clip satisfactory design	1 month ago