Procedural Modeling-Based BIM Approach for Railway Design

Figure 2

Representations of some common OpenSCAD output. (a) Definition of variables involved. (b) Modules. (c) Code for the rail representation. (d) Single rail preview. (e) Module “ties.” (f) Ties preview. (g) Code for the bolt representation: modules “bolt,” “line bolts,” and “bolts.” (h) Bolts preview.

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