Why have bot "sketches" and "drafts" / Why can't I use constraints in drafts?

[DanielC]

What is 3D drafting? I'm not familiar with that concept.

[wandererfan]

In fact, I don't even understand why FreeCAD makes a distinction between sketches and drafts and seemingly cripples each one in a different way.

Sketcher/Part Design: parametric feature-history-based parametric design of unibody solids.
Draft: general purpose 2D drafting with some 3D capabilities.

The two workbenches have very different products.

That said, there is the sketch/draft conversion function in Draft -

Draft_Draft2Sketch.svg

(6.61 KiB) Downloaded 60 times

[quick61]

What is 3D drafting? I'm not familiar with that concept.

The same thing as 2D drafting, only you work in 3D space. Easy enough. A couple simple examples

3D_Draft.fcstd

(19.77 KiB) Downloaded 45 times

3D_Draft(2).fcstd

(10.18 KiB) Downloaded 39 times

Mark

OS: Kubuntu 14.04.4 LTS
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.16.6703 (Git)
Build type: Release
Branch: releases/FreeCAD-0-16
Hash: 2ce5c8d2e3020d05005ed71f710e09e9aa561f40
Python version: 2.7.6
Qt version: 4.8.6
Coin version: 4.0.0a
OCC version: 6.8.0.oce-0.18-dev