diff --git a/index.html b/index.html
index c05d7b2c3d72ad623df7690d65b732bac157c71a..28cf377ef909c6171773cf2167c8aba5a5ee5df5 100755
--- a/index.html
+++ b/index.html
@@ -142,6 +142,7 @@
         uniform vec2 u_textureDimNodeFaces;
         uniform float u_creasePercent;
         uniform float u_dt;
+        uniform float u_axialStiffness;
         uniform sampler2D u_lastPosition;
         uniform sampler2D u_lastVelocity;
         uniform sampler2D u_originalPosition;
@@ -304,8 +305,7 @@
                 vec3 normal = getFromArray(faceMeta[0], u_textureDimFaces, u_normals).xyz;
 
                 //calc forces
-                float triangleStiffness = 0.1;
-                anglesDiff *= triangleStiffness;
+                anglesDiff *= u_axialStiffness/100.0;
                 if (faceIndex == 0){//a
                     vec3 normalCrossAC = cross(normal, ac)/lengthAC;
                     vec3 normalCrossAB = cross(normal, ab)/lengthAB;
diff --git a/js/controls.js b/js/controls.js
index 1fa8a130e994d8dbfff29294a497c575147428f5..2983bc60f9ffc4417c4dce5b38d1fa23180f1e5f 100755
--- a/js/controls.js
+++ b/js/controls.js
@@ -179,10 +179,10 @@ function initControls(globals){
         globals.materialHasChanged = true;
     });
 
-    setSliderInput("#triStiffness", globals.triStiffness, 0, 10, 0.01, function(val){
-        globals.triStiffness = val;//todo update
-        // globals.materialHasChanged = true;
-    });
+    // setSliderInput("#triStiffness", globals.triStiffness, 0, 10, 0.01, function(val){
+    //     globals.triStiffness = val;//todo update
+    //     // globals.materialHasChanged = true;
+    // });
 
     setSliderInput("#creaseStiffness", globals.creaseStiffness, 0, 3, 0.01, function(val){
         globals.creaseStiffness = val;
diff --git a/js/dynamic/dynamicSolver.js b/js/dynamic/dynamicSolver.js
index 3c96830bfa8d0ebaa17fc614bae4a12cf1770b41..af711eb970e2f43a6427c23233caaafc5aa3dfa7 100755
--- a/js/dynamic/dynamicSolver.js
+++ b/js/dynamic/dynamicSolver.js
@@ -308,6 +308,7 @@ function initDynamicSolver(globals){
         gpuMath.setUniformForProgram("velocityCalc", "u_textureDimNodeCreases", [textureDimNodeCreases, textureDimNodeCreases], "2f");
         gpuMath.setUniformForProgram("velocityCalc", "u_textureDimNodeFaces", [textureDimNodeFaces, textureDimNodeFaces], "2f");
         gpuMath.setUniformForProgram("velocityCalc", "u_creasePercent", globals.creasePercent, "1f");
+        gpuMath.setUniformForProgram("velocityCalc", "u_axialStiffness", globals.axialStiffness, "1f");
 
         gpuMath.createProgram("thetaCalc", vertexShader, document.getElementById("thetaCalcShader").text);
         gpuMath.setUniformForProgram("thetaCalc", "u_normals", 0, "1i");
@@ -383,8 +384,13 @@ function initDynamicSolver(globals){
             }
         }
         globals.gpuMath.initTextureFromData("u_beamMeta", textureDimEdges, textureDimEdges, "FLOAT", beamMeta, true);
-        //recalc dt
-        if (programsInited) setSolveParams();
+
+
+        if (programsInited) {
+            globals.gpuMath.setProgram("velocityCalc");
+            globals.gpuMath.setUniformForProgram("velocityCalc", "u_axialStiffness", globals.axialStiffness, "1f");
+            setSolveParams();//recalc dt
+        }
     }
 
     function updateExternalForces(){