How to Make a Train Head Model in KeyShot(1)

How to a Make Train Head Model in KeyShot

Fox Renderfarm, your TPN-Accredited cloud rendering service provider, will share with you this tutorial article about How to Make a Train Head Model in KeyShot. KeyShot will be used to make a 3D model of the train head, and the problems encountered in the production will be shared. Although this model looks very simple, there are still many details that need attention, such as the surface.

Modeling analysis

Observing the reference picture and analyzing the structure and shape, We can see the bends marked by the red and green lines. The structure can be decomposed to make a better model.

How to a Make Train Head Model in KeyShot How to a Make Train Head Model in KeyShot

Modeling

Because the angle of the reference picture is fixed, we can directly use the reference picture to place the model in the software as a background. Firstly, we can determine an approximate angle and fix the angle of a camera. The model can be replaced by a BOX.

How to a Make Train Head Model in KeyShot

Draw a curve and create a finished face as the lower half of the train.

How to a Make Train Head Model in KeyShot

How to a Make Train Head Model in KeyShot

Copy the curve to adjust the control point to the position shown in the figure below.

How to a Make Train Head Model in KeyShot

The other side is also produced in the same way.

How to a Make Train Head Model in KeyShot

Create a face from the three lines, adjust the part where the face meets the body, and adjust the surface control points until the red intersection line reaches the edge position of the light in the perspective reference picture.

How to a Make Train Head Model in KeyShot

Adjust the position and cut off the surface of the other excess parts where the two parts meet.

How to a Make Train Head Model in KeyShot

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How to Make a Train Head Model in KeyShot(2)
How to Make a Train Head Model in KeyShot(2)
Add a line in the middle of the body, and adjust the part of the cockpit in the middle of the body. The cockpit part is not visible in the picture, we need to find other angle references. Then copy the other two lines and adjust to the part of the cockpit foreign aid. Create a surface from the three curves and adjust the size. Copy the middle curve of the double-track surface again; adjust the curve to the lower part as the bottom boundary of the car; use three lines to generate the lower half of the surface; and adjust the curve to make the shape better. Adjust the parts of the lights on both sides of the body; copy the edge line to create a round tube; adjust the intersection of the round tube and the body. Duplicate the curves from the connecting parts of the car body, make adjustments again, and cut out the model of the main body. At the position in front of the lamp, cut the curved surface position with structural lines, and move the curved surface to the corresponding position to link the curved surface. The same procedure is used for the upper part of the lamp. Now that a complete surface is out, we need to smooth the two parts together. The Y-shaped corner surface is divided along the structure line, and the two surfaces match the corresponding edges respectively to complete effect processing of the original side painting. Replicate the other side of the copy, and check whether there is any problem with the continuity of the middle indirect seam position, and then cut the middle surface and the main body with each other. Copy the seam curve and generate a round tube, use the round tube to cut the chamfer shape. To connect the position of the curved surface, it should be noted that the distortion of the curved surface structure will not deform. The overall structure of the trained model has been completed.
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2020-07-16
KeyShot 9 Tutorial:  Leather Chair Rendering Guide
KeyShot 9 Tutorial: Leather Chair Rendering Guide
Fox Renderfarm, a powerful and affordable cloud render farm, organizes the leather chair rendering guide from artist Zolmo's tutorial on KeyShot 9. This is the process of using KeyShot 9 to make the final rendering of a leather chair. The chair is made of slightly worn-out leather material, with cloth weaving hem material and wooden chair frame, especially using the hair function to add realism to the fabric sense. Use KeyShot 9 to open the chair file, add a camera, and adjust the composition. And add a yellowish plastic material to all models of the chair to observe the lights. After adjusting the lights, all the preparations are done. In the HDRI editor, change the background from image to color and set it to black, and start to adjust the light. First, use the circular light as the top light, adjust the size, angle, and brightness. When adjusting, pay attention to the transition effect of the light at each turn. Finally, add a little attenuation to the light source to make the light look soft. Next, hide the top light to avoid light interference, and then add the left and right lights separately. Pay attention to the contrast between the light sources to distinguish the primary and secondary light sources. The ground projection is relatively scattered. You can manually add a very small but extremely bright light source to simulate sunlight, creating an obvious projection effect. After that, all the lights are displayed and further adjusted. If the scene is overexposed, you can make overall color adjustments to make the color tone of the scene as uniform as possible. The adjustment of the wood grain material uses a whole set of wooden textures, and then the metal paint material is used to simulate the smooth effect of surface waxing, and then adjust the color. In order to simulate the effect of Fresnel, add a color gradient node, and then connect it with the wood grain node through color composition. Before the wood grain nodes are connected, the color saturation can be removed, and the gray image is used as the gloss of the transparent layer to obtain a detailed highlight effect. Then use the color gradient node again as the bump height of the material: the bump can reach the peak at white, and there is no bump effect at black. Connect the wood grain texture to the bump, and the realistic woodgrain effect is created. The slightly worn-out leather material is simulated with plastic texture to adjust the effect of uneven leather surface. You can add color adjustment nodes for color adjustment. Then use the matching normal bump map to connect to the bump of the material. Then use color adjustment and color inversion to convert the camouflage node into a contrasty grayscale image as the bump height of the skin texture. The uneven height further enhances the realism of the leather. Noise nodes are used to simulate the unique embossed bump effect on leather, and bumps are added to the node to generate bumps on the leather at the same time. The grayscale image above is used as the weight of the normal unevenness, that is, the weight 1 in the figure. The effect after adjustment is shown in the figure. Next, use the stain node to adjust the size and color as the source Alpha in the color composite. Combine the camouflage and the matching skin texture to the color adjustment section to further enhance the details of the skin texture surface. Desaturate the matching texture map, adjust the contrast and connect to the roughness of the leather to make an uneven roughness effect. After the effect is completed, the surface details are rich. Next, use the matching map to connect the diffuse reflection and the bump, and make a leather cloth weaving hem material for the leather. After adding fuzzy nodes in the geometry, the adjusted cloth has a furry feel. The final step is to add stitching to the leather,
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2020-04-03
KeyShot 9 Tutorial: Christmas Scene Rendering
KeyShot 9 Tutorial: Christmas Scene Rendering
This article is a 3d rendering tutorial about Christmas scene shared by 3d artist Drown. The article is organized by Fox Renderfarm, the leading cloud render farm in the CG industry. Because there are so many items in the scene, this tutorial will focus on the lighting of the scene and the skills to create a Christmas atmosphere, and the adjustment of the material will be briefly described. Use KeyShot 9 to open the placed Christmas scene, add a camera and adjust the appropriate angle and save. The next work is to give the main body a crystal ball of glass material, and change it to the product mode in the lighting mode, so that light can pass through the glass ball to illuminate the internal details. The tablecloth in the scene and the curtains in the background were selected from red velvet material. The official velvet material of KeyShot 9 was selected to bring out the atmosphere of the Christmas scene. Next, we need to find a suitable HDR map. Because it is a Christmas scene, we need an indoor HDR map with many small bright light sources to simulate the scene atmosphere of the decorative chandelier on Christmas eve. After using the HDR map, rotate it to an appropriate angle to adjust the brightness, contrast, hue, saturation, etc. of the picture to make the scene warm and cold. Enter the image panel, change the image style to photography, adjust the exposure, contrast, etc., to further enhance the warm and cold, light and dark contrast of the scene. Next, open the HDR canvas and manually add a small warm light source to cover the cold-light incandescent light on the original image to further strengthen the Christmas Eve atmosphere. Pay attention to keep the cold light in the scene properly to avoid the scene being too warm. At the same time, the brightness of the small warm light source should be adjusted appropriately and the blending mode changed to ALPHA to ensure that the cold-light incandescent lamp can cover the original image. In order to highlight the crystal ball of the subject, add a sphere to the scene and set the material as a spotlight. After adjusting the position, illuminate the crystal ball. Further fine-tuning various lighting parameters, the atmosphere of the picture is already in place at this time, but now the picture is a little too warm and lacks a bit of realism. Add a cool rectangular light on the right side of the screen to reconcile the warm atmosphere of the screen, so that the screen effect will not be too false. Here we must pay attention to changing the blending mode of rectangular light to blending to avoid the glass ball reflecting pure white rectangular light directly and causing the realism of the picture to be lost. After the atmosphere of the screen comes out, you can start adjusting the texture. Start with the snow in the crystal ball. Use the noise texture node to add bumps to the snow and snow colors on the surface. If the screen freezes, you can hide other items in the scene, including the spotlight. Next, use the matching map to adjust the material of the lounger inside the crystal ball. Anything can be placed here, not necessarily the chair, as long as it is a suitable material and color. It is recommended to use a brighter color scheme to match the atmosphere of the scene. Next adjust the texture of the Christmas tree. After lighting the bulb material on the Christmas tree, observe the current effect. Note that the glass of the crystal ball must be given a transparent glass material, otherwise the light will not find the scene inside the crystal ball and let the light penetrate into the interior scene. Use the matching wood texture map to simply adjust the wood texture base material, and adjust it according to your favorite, such as using a black plastic base. Then open the texture of the glass ball, add the fingerprint texture that is official with KeyShot 9, and after adjusting the position size, turn off the texture repeat, and add the diffuse reflection texture as the fingerprint texture. After that, the fingerprint texture is connected to the label, and the texture is used as the color of the texture. Here, the brightness must be adjusted, and it should be reduced as much as possible to make the fingerprint faintly visible. Use scratched maps, adjust the contrast with color, and control the transparency effect on the glass. Repeat this step to make scratches and bumps on the glass. The effect of the scratches is a little bit, otherwise the glass will look fake. Next use to adjust the texture on the crystal ball name tag. Then use PS to edit a piece of text, pay attention to use a black background, pure white fonts, and use horizontal composition. After saving the black and white picture, use the 3D--Generate Normal Map option in the PS filter to generate a bump texture. Drag the texture to the texture of the brand, create a new texture as the material of the lettering, and adjust the color according to your preference. After adjusting the texture, the black and white image is used as the opacity, and the normal texture is used as the bump. Pay attention to the normal To complete the adjustment of the brand-name texture. Simply adjust the material of the board, and the color matching needs to be darker to avoid the board being too conspicuous. Then use the fuzzy nodes in the geometry to make fluff on the tablecloth. The surface material of the nodes can directly use the original red velvet material. In order to prevent fluff from passing through the model, you can simply render a top view, and then draw a black and white texture according to the position of the item in PS. Use a Gaussian blur filter to blur out the edges of the black and white texture. Then use the texture map as the length texture of the fur node. The length of the fluff where the texture is black is 0. After the geometry node is re-executed, the fluff will not pass through the model. The curtain can use the color gradient node. Change the gradient type to the viewing direction to enhance the volume of the curtain fabric. The background wall is not easy to be too dark or too bright, otherwise the background is too eye-catching and will destroy the atmosphere of the scene. The use of glass as the texture of the candle's wrapping paper can reduce the refractive index to make the texture of transparent plastic wrapping paper. Later, the translucent material is used to adjust the candles, and the color matching can be free. To color various gift boxes, it is recommended to color each gift box, and cool colors are recommended to use blue to correspond to the cold light atmosphere in the scene. Next, you need to adjust the surface effect of the gift box to make the bumpy texture on the gift box. The effect does not need to be too complicated, it can be simpler. Next, add a sphere to the inside of the crystal ball to make a snow effect inside the crystal ball. Finally, fine-tune the composition, lighting, and then render the image.
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2020-04-01
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