lf325, Graphics: Going 3D with Blender: Modeling a chest

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by Katja Socher
<katja/at/linuxfocus.org>

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References
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Going 3D with Blender: Modeling a chest

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��ǽ��Blender��һ��ģ�͡�

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�۲��ͼƬ��㿴��ľ��ǽ�Ҫ��ӡ�Ҫ��ȴ��ҵ�һƪ��Blender��н��ĳ��û�ж��ƪ��²��Ҳû�н��Լ��ĳ��ô�ڿ�ʼ��ƪѧϰ��ƪ��֮ǰ��Ӧ��ȿ��Going 3D with Blender: Very first steps��Ѿ��ú��˼��Դ��з��ӡ�

˳��˵һ�£��д��ƪ��ʱBlender�ĵ�ǰ�汾Ϊ2.31a��ע��ڷ��ƪ��ʱBlender�İ汾�Ѿ�Ϊ2.32�ˣ�Blender�Ľ�� ˺ܶ��ı䣬��ʹ��һ��ᷢ��Щ�ı��൱��ġ�ף�ز��л��ܳ��Blender�Ŷӡ�

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��۲��ӣ��Ժ��׵Ŀ��Ҫ��򵥵��״��ɵģ�һ��һ��Բ��塣��ѵ��θ��ʸС��ҽ�ʹ�ü�ѹ(extrusion)�ķ�� ʸС��ӽ�ģ��Ľ��ң�

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Ҫ��壬��ڸ��ͼ�У��ڶ��㣩��һ��xres=12,yres=8��񣨰��¿ո��ѡADD->Mesh_>Grid��ʹ�� xres=12 yres=8�� Χ�ɵĵڶ��ѡ��һ��ߣ��ƶ��ʹ��ľ��Σ��ǣ��ĵڶ��п�ʼ��ѡ��һ��ߣ��¡�g��֮�� ͨ��ͷ��ƶ��ε��Ҳ��ͬ��Ĳ��

[box with narrow sides]

��ѡ��ȫ��ݣ��a��ʵ�֣��ͨ��ͼ��ļ�ѹ��Ϊ��e��س��¼�ͷ��س��õ�һ��ӡ�
�ڸ��ͼ��ѡ��Σ�ͨ��b��Ҽ��ȡ��ڲ�� ѡ�񣩣��ͼ�н��м�ѹ��extrude��ƶ��e��س��ͷ��س��
[simple box model]

һ��򵥵��ģ��Ѿ��ǰ�ˣ��

��ͼ��ѡ��ıߣ��û�б�ѡ�񣩣��ļ�ѹ��ѹ��Ҫ�ȵײ�� ֮��ľ��һЩ��Ȼ��һ�ΰ��e��һ�μ�ѹ��һ�صļ�ѹ��Ҫ��ײ��൱��
[simple box model extruded again]

��Ⱦ��Һ�ɫ��material��壬ѡ��"add new"��ɫ��ֵ��ΪR=1,G=0,B=1��Ȼ��ѡ��ڲ� ��˸��ͼ��Χ��ͼ�еĵױ�֮��ȫ��ݣ��Ⱦ�ɽ��Һ�ɫ��ڱ༭��а��"New","Select",Ȼ��material��壬��¡�add new��ɫ��鵽R=1,G=0,B=1��ٷ��ص��༭��岢��¡�Assign��

��ѡ��е㣨��a��Ȼ��ٷֱ�ȡ��Ը��ͼ��ڲ��ѡ��ʹ��b��Ҽ��μ��ͼ��

[selection to give box its thickness]

Ϳ�ɻ�ɫ(�ڱ༭��а��"New","Select",Ȼ��material��壬��¡�add new��ɫ��鵽R=1,G=0.1,B=0��ٷ��ص��༭��岢��¡�Assign��).

�ڸ��ͼ�м�ѹ��extrude��Ŵ��ΰ��e,�س��s��ͷ��س��

��Ϳ�ɻ�ɫ��ֻҪ�ٰ�һ�Ρ�Assign"�Ϳ��ˣ��

[box with thickness]

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��The handles

��С��ǽ��һЩ��֣��ͼ��¿ո��ڵ��˵��ѡ�� Add-->Mesh-->UV Sphere ��Segments��Rings��Ϊ32 ��һ��Ĭ��ֵ��С��s��⣨flatten��һ�㣨��s��ͬʱ��м��״��ʸУ��Ȼ��ͼ�ڽ��Ƶ��ϣ��ڲ��ͼ�н��м䡣��༭��smooth�� ȾΪ��һЩ��Һ�ɫ��R=1,G=0.6,B=1��shift��d��ŵ��һ��ϡ�

��Ϊ��һ��ڲ��ͼ�а��¿ո��ѡ��Add-->Mesh-->Circle (��Vertices=32)��Ȼ��С��ڲ��ͼ�У��༭ģʽ��e��ٰ��s�� Ŵ��Դﵽ��ʵ� �ʸС�ѡ��е㣨��a��ͼ�м�ѹ��e��ţ��s��ע��ԭ��Ϊ��e��ʵ�ʵĲ��Ӧ��Ϊ��Ϊ��ѡ��һ��ɫ��ڱ༭��а��¡�Set Smooth��Ȼ��shift��d��ŵ��һ��ϡ�

�ڲ��ͼ�и��ƣ�shift��d��Σ��С��s��Ȼ��ͼ�н��Ƶ��棬ʹ��ܱ��shift��d��ŵ��һ��ϡ�

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�ڸ��ͼ�У��㣩��һ��Բ��壨��¿ո��ѡ��Add-->Mesh-->Cylinder,��vertices��ֵΪ32)��Ϊ��ǡ��aȡ��е��ѡ��ٰ�b��Բ��°벿��

[create a lid out of a cylinder]

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��aѡ��ȫ��㣬Ȼ��Ȼ��ڸ��ͼ�а��e��м�ѹ��س��ٰ�s��ȫ��СһЩ��

��ڰ��g��ڲ��İ�Բ��һЩ��ʹ��ĵױ��õ��ⲿ��Բ�ױߵ��档

[create a lid out of a cylinder]

ά��ڲ��Բ��ѡ��״̬��Բ��ȾΪ�Һ�ɫ��material��壬ѡ��"add new"��ɫ��ֵ��ΪR=1,G=0,B=1��ڽ��༭��ǵ��ڲ�Ⱦ��һ��µ��ɫ��һЩ��Һ�ɫ��"New", "Select",Ȼ��material��壬��Add new��ɫ��ΪR=1, G=0.6, B=1�õ��һЩ��Һ�ɫ,�ٷ��ر༭��尴"Assign"��ڰ��F12��blenderΪ��Ԥ��һ�£��ȫ��ȷ�㽫��Կ��ǵ��ǡ�
��Ѿ��ǵļ��ģ��ˡ�
��ǵ��Ӧ��ǻ�ɫ�ġ��ڸ��ͼ��ѡ��ױߣ��aȡ��е��ѡ��Ȼ��b��ǵױߣ��ɫ��֮ǰ��ƣ��ڱ༭��а��"New", "select",�ٽ��material��尴 "Add new" ��ɫ��鵽R=1, G=1, B=0,�ٷ��ر༭��尴��"assign"��

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��ױ�û�б�ѡ��ڸ��ͼ��ѡ��ױߣ��b��ǵױߣ��

�ڸ��ͼ�а�e, �س�, �ü�ͷ��һ�㣬�س��Ȼ�ڸ��ͼ��ѡ��м��ڲ��ĵ㣬Ȼ��ͼ��ȡ��м��ѡ�񣨲μ��ͼ��
[selection for thickness of rectangle]

�ڸ��ͼ�а�e��س��s��ͷ��س��⽫��طŴ�һЩ��Ծ��ε��ʸд��Ѿ��ˡ�

[lid with thickness of rectangle]

��ε��ʸУ�
�ڲ��ͼ��ѡ��㻡�εĵײ��붥��Ȼ��"subdivide" (��λ�ڱ༭�� "Mesh tools"��ť��, ��߷ֱ��"Beauty" �� "Fractal Subdivide"��ע��Ҫ�ڹ��ڱ༭ģʽ�в��ܿ��).

[lid with arcs' selection and first subdivision]

��Ҫ��ʸУ��Ҫ��һ��subdivide:�ڲ��ͼ��ȡ��ζ��ߵ�ѡ�񣨰�b��ǣ�Ȼ��һ��꣩��һ�ε��subdivide��

�ڲ��ͼ��ȡ��֮ǰѡ��Ķ��ױߣ��g�ü�ͷ��ƶ��ߣ�Ȼ�󰴻س��ɲ��

��ѡ��ͨ��һ�ηָ��ȵ��Ļ��㣬��g��ü�ͷ��ƣ�Ȼ��س��

�ڲ��ͼ��ϲ�ѡ��һ��У��ͼʾ��Ҫѡ��ھ��εĵ㣩��

[lid with arcs' selection and second subdivision]

�ڸ��ͼ��ȡ��Բ��ڲ��ѡ��
[lid with arcs' selection for the thickness of the arcs]

�ڸ��ͼ�а�e��س��s��ͷ��ηŴ󣩣��س��ڱ༭��а��Assign��ȾΪ��ɫ�� [lid with arcs' thickness on one side]

��ڴ��:

�ڲ��ͼ��ѡ��ײ��ĵ�һ��С��ڸ��ͼ��ȡ��Բ��ڲ��ѡ��Ȼ��ڶ��ͼ�а�e, �س�, s, ��ͷ��ηŴ󣩣��ʱ��»س��ڱ༭��а�"Assign"��ȾΪ��ɫ��
[lid with arcs' thickness on second side too]

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