A system comprising an apparatus; a multi-layer laminate laid-up onto a forming tool ; and a vacuum bag covering the multi-layer laminate ; the apparatus comprising: the forming tool (110; 600) comprising: a main body that holds a first portion of the multi-layer laminate ; a platform that holds a second portion of the multi-layer laminate aligned with the first portion ; and a biasing device that repositions the second portion with respect to the first portion during forming of the multi-layer laminate , causing shear stresses between layers of the multi-layer laminate , wherein: the platform comprises: an upper surface contacting the multi-layer laminate ; and a hinge connected to the main body , and the biasing device is configured to reposition the second portion by rotating the platform about the hinge, the biasing device comprising a spring, and wherein the platform is configured to hold the second portion of the multi-layer laminate aligned with the first portion before the vacuum bag that covers the multi-layer laminate applies pressure to the forming tool during forming and the biasing device is configured to reposition the platform in response to the pressure, causing the platform to alter a shape of the multi-layer laminate during forming. the forming tool (110; 600) comprising: a main body that holds a first portion of the multi-layer laminate ; a platform that holds a second portion of the multi-layer laminate aligned with the first portion ; and a biasing device that repositions the second portion with respect to the first portion during forming of the multi-layer laminate , causing shear stresses between layers of the multi-layer laminate , wherein: a main body that holds a first portion of the multi-layer laminate ; a platform that holds a second portion of the multi-layer laminate aligned with the first portion ; and a biasing device that repositions the second portion with respect to the first portion during forming of the multi-layer laminate , causing shear stresses between layers of the multi-layer laminate , wherein: the platform comprises: an upper surface contacting the multi-layer laminate ; and a hinge connected to the main body , and the biasing device is configured to reposition the second portion by rotating the platform about the hinge, the biasing device comprising a spring, and wherein the platform is configured to hold the second portion of the multi-layer laminate aligned with the first portion before the vacuum bag that covers the multi-layer laminate applies pressure to the forming tool during forming and the biasing device is configured to reposition the platform in response to the pressure, causing the platform to alter a shape of the multi-layer laminate during forming. an upper surface contacting the multi-layer laminate ; and a hinge connected to the main body , and the biasing device is configured to reposition the second portion by rotating the platform about the hinge, the biasing device comprising a spring, and wherein the platform is configured to hold the second portion of the multi-layer laminate aligned with the first portion before the vacuum bag that covers the multi-layer laminate applies pressure to the forming tool during forming and the biasing device is configured to reposition the platform in response to the pressure, causing the platform to alter a shape of the multi-layer laminate during forming. <EOS>