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Commit 597b994b authored by Guillaume Seguin's avatar Guillaume Seguin
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Fix #460

parent 241a6943
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printrun/gcoder.py
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...@@ -380,6 +380,7 @@ class GCode(object): ...@@ -380,6 +380,7 @@ class GCode(object):
if self.est_layer_height is None: if self.est_layer_height is None:
zs = sorted([l.z for l in all_layers if l.z is not None]) zs = sorted([l.z for l in all_layers if l.z is not None])
heights = [round(zs[i + 1] - zs[i], 3) for i in range(len(zs) - 1)] heights = [round(zs[i + 1] - zs[i], 3) for i in range(len(zs) - 1)]
heights = [height for height in heights if height]
if len(heights) >= 2: self.est_layer_height = heights[1] if len(heights) >= 2: self.est_layer_height = heights[1]
elif heights: self.est_layer_height = heights[0] elif heights: self.est_layer_height = heights[0]
else: self.est_layer_height = 0.1 else: self.est_layer_height = 0.1
......
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