SugarSnap

SugarSnap

Release status: experimental

Description	Snap together Mendel-like with minimal vitamins
License	GPL
Author	User:carmiac
Contributors
Based-on	Mendel
Categories	Development, Mendel Variations
CAD Models	OpenSCAD
External Link	https://github.com/carmiac/SugarSnap

SugarSnap is a Mendel-like printer, inspired by Prusa, Snapdragon and VikOlliver's nutless Mendel.

Major design goals are:

• Minimal vitamins
• Simple assembly
• Small build platform printability

Specifications

• Build Area - SugarSnap is designed to hold a Prusa Heated Bed but could hold one a bit larger so lets say 225x225x200.
• Size - External will be about 340x340x325
• Weight
  • Printed Parts
  • Full Assembly

Calibration and Printing

Print and test calibration pieces

Because SugarSnap is a snap together design, getting the dovetail and rod hole interfaces just right is very important. To help you do this there are three test parts to build.

dt_test.scad

This will test the dovetail interfaces. Print the plate and label the 4 pieces 950, 925, 900, 875 in order left to right, top to bottom. See which set of male dovetails fit best into the other pieces. You want a strong, tight bond, but not one that is impossible to get together.

Change the line in Libs.scad

module dovetail (width=9, height=10, male=true, fit = 0.900)

to

module dovetail (width=9, height=10, male=true, fit = 0.your fit number)

bv_test.scad

This tests the slots used in the vertices and a few other places. Print the plate and do a test fit. You want a strong, tight bond, but not one that is impossible to get together or remove.

The interface numbers are, from left to right: 0.15, 0.30, 0.45, 0.60, 0.75.

Change the line in ss_parms.scad

slot_tolerence = 0.45; // tolerence for slot connectors

to

slot_tolerence = you fit number; // tolerence for slot connectors

rod_test.stl

This tests the rod supports. Print the plate and do a test fit with your smooth rod. You want a strong, tight bond, but not one that is impossible to get together or remove.

The interface numbers are, from left to right: 0.15, 0.30, 0.45, 0.60.

Change the line in ss_parms.scad

rod_tol = 0.15; // tolerance added to rod holes for shrinkage

to

rod_tol = you fit number; // tolerance added to rod holes for shrinkage

Generating STLs

Create the plates...

Printing

Print the plates...

Part List

Printable Parts

• Parts List
• Plate Lists
  • Small Plates
  • Large Plates

Vitamins

• Rods
• Bearings
• Belts
• Motors
• Electronics

Assembly Instructions

• Frame
• Motors