r/civil3d is a subreddit with 10k members. The most common kinds of discussions are advice requests and solution requests, and the community frequently discusses civil 3d, civil3d, grading, corridor, and alignment, and they frequently recommend/review gaming mouse, home printer, and printer.
For all users of AutoCAD Civil 3D.
Popular Themes in r/civil3d
#1
Advice Requests
: "What are some mistakes newcomers to Civil3D should avoid?"
22 posts
#2
Solution Requests
: "Unable To Create Intersection - Primary vs. Secondary"
16 posts
#3
Pain & Anger
: "civil 3d pipe networks feel clunky as hell, how do pros handle it"
3 posts
Popular Topics in r/civil3d
#1
Civil 3d
: "Sewage Pumping Station modeled entirely in Civil 3d for seamless Pipe Network integration"
68 posts
#2
Civil3d
: "New post flairs for r/Civil3d"
20 posts
#3
Grading
: "Grading advice"
19 posts
#4
Corridor
: "Corridor Question"
18 posts
#5
Alignment
: "Pipeline Alignment/Asbuilt"
12 posts
#6
Profile
: "Flared End Sections in Profile View"
11 posts
#7
Autocad
: "I built a Civil 3D/Autocad command generator for civil/infrastructure drafting"
10 posts
#8
Surface
: "Smoothing a Surface"
8 posts
#9
Intersection
: "Unable To Create Intersection - Primary vs. Secondary"
5 posts
#10
Cad
: "AutoCad Civil 3D - Pressure Network HDPE Parts Question"
5 posts
Products Discussed in r/civil3d
Gaming Mouse
8 reviews
#1
Logitech
4.3★ from 6 reviews
#2
Corsair
4.5★ from 2 reviews
Home Printer
3 reviews
#1
Canon
4.0★ from 2 reviews
#2
Epson
4.0★ from 1 review
Printer
1 review
#1
Canon
4.0★ from 1 review
Flair Used in r/civil3d
#1
Help / Troubleshooting
: "Unable To Create Intersection - Primary vs. Secondary"
136 posts
#2
Discussion
: "How many people are using AI to write lisps and scripts?"
31 posts
#3
Workflow / Tips & Tricks
: "Don't use Surface Edit"
8 posts
#4
Career
: "How did you propel your CAD career?"
4 posts
#5
Workflow / Best Practice
: "Sewage Pumping Station modeled entirely in Civil 3D for seamless Pipe Network integration"
3 posts
#6
Mod Post
: "New rule against AI-generated content / training"
3 posts
#7
Project Showcase
: "I built a Civil 3D/AutoCAD command generator for civil/infrastructure drafting"
3 posts
#8
Hardware / IT
: "Best specs ?"
3 posts
#9
Tips & Tricks
: "HELP...."
2 posts
#10
Solved!
: "test"
2 posts
Member Growth in r/civil3d
Yearly
+2k members(28.7%)
About
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Last updated: June 2, 2026